922
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1386
- Proper Divisor Sum (Aliquot Sum)
- 464
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 460
- Möbius Function
- 1
- Radical
- 922
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 36
- Smith Number
- yes
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Names
- German
- neunhundertzweiundzwanzig· ordinal: neunhundertzweiundzwanzigste
- English
- nine hundred twenty-two· ordinal: nine hundred twenty-second
- Spanish
- novecientos veintidós· ordinal: 922º
- French
- neuf cent vingt-deux· ordinal: neuf cent vingt-deuxième
- Italian
- novecentoventidue· ordinal: 922º
- Latin
- nongenti viginti duo· ordinal: 922.
- Portuguese
- novecentos e vinte e dois· ordinal: 922º
Appears in sequences
- Numbers beginning with letter 'n' in English.at n=34A000981
- Numbers that are the sum of 10 positive 5th powers.at n=36A003355
- Numbers that are the sum of 5 positive 6th powers.at n=9A003361
- Primes written backwards.at n=49A004087
- Convolution of A002024 with itself.at n=33A004797
- Numbers that are the sum of at most 5 nonzero 6th powers.at n=34A004856
- Numbers that are the sum of at most 6 nonzero 6th powers.at n=44A004857
- Related to representations as sums of Fibonacci numbers.at n=15A006133
- Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity).at n=46A006753
- Number of partitions of 2n with all subsums different from n.at n=14A006827
- Inverse Moebius transform applied twice to squares.at n=26A007433
- Coordination sequence T4 for Zeolite Code AET.at n=21A008010
- Coordination sequence T1 for Zeolite Code AFO.at n=20A008015
- Coordination sequence T2 for Zeolite Code APC.at n=21A008033
- Coordination sequence T2 for Zeolite Code BIK.at n=18A008048
- Coordination sequence T3 for Zeolite Code MEP.at n=18A008159
- Number of 3 X 3 symmetric stochastic matrices under row and column permutations.at n=37A008764
- Coordination sequence T1 for Zeolite Code RTH.at n=21A009893
- Coordination sequence for alpha-Mn, Position Mn4.at n=8A009953
- a(1)=1; for n>1, a(n) = 9*a(n-1) + n.at n=3A014832