22957929 has 12 divisors (see below), whose sum is σ = 33335796. Its totient is φ = 15224832.

The previous prime is 22957877. The next prime is 22957931. The reversal of 22957929 is 92975922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7371225 + 15586704 = 2715^2 + 3948^2 .

It is not a de Polignac number, because 22957929 - 2⁷ = 22957801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22957969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4872 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (2777983).

Almost surely, 2^22957929 is an apocalyptic number.

It is an amenable number.

22957929 is a deficient number, since it is larger than the sum of its proper divisors (10377867).

22957929 is a wasteful number, since it uses less digits than its factorization.

22957929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13416 (or 13413 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 22957929 is about 4791.4433107363. The cubic root of 22957929 is about 284.2131945764.

The spelling of 22957929 in words is "twenty-two million, nine hundred fifty-seven thousand, nine hundred twenty-nine".