22997912 has 32 divisors (see below), whose sum is σ = 49440000. Its totient is φ = 9824544.

The previous prime is 22997911. The next prime is 22997941. The reversal of 22997912 is 21979922.

It is a self number, because there is not a number n which added to its sum of digits gives 22997912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22997911) 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, 27533 + ... + 28355.

It is an arithmetic number, because the mean of its divisors is an integer number (1545000).

Almost surely, 2^22997912 is an apocalyptic number.

It is an amenable number.

22997912 is an abundant number, since it is smaller than the sum of its proper divisors (26442088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22997912 is a wasteful number, since it uses less digits than its factorization.

22997912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1331 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 22997912 is about 4795.6138293236. The cubic root of 22997912 is about 284.3780919360.

The spelling of 22997912 in words is "twenty-two million, nine hundred ninety-seven thousand, nine hundred twelve".