22956831 has 8 divisors (see below), whose sum is σ = 34010160. Its totient is φ = 15304536.

The previous prime is 22956811. The next prime is 22956881. The reversal of 22956831 is 13865922.

It is not a de Polignac number, because 22956831 - 2⁵ = 22956799 is a prime.

It is a super-2 number, since 2×22956831² = 1054032179125122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22956811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425100 + ... + 425153.

It is an arithmetic number, because the mean of its divisors is an integer number (4251270).

Almost surely, 2^22956831 is an apocalyptic number.

22956831 is a deficient number, since it is larger than the sum of its proper divisors (11053329).

22956831 is an equidigital number, since it uses as much as digits as its factorization.

22956831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850262 (or 850256 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22956831 is about 4791.3287301123. The cubic root of 22956831 is about 284.2086635193.

Subtracting from 22956831 its reverse (13865922), we obtain a palindrome (9090909).

The spelling of 22956831 in words is "twenty-two million, nine hundred fifty-six thousand, eight hundred thirty-one".