22905412 has 36 divisors (see below), whose sum is σ = 43463280. Its totient is φ = 10532592.

The previous prime is 22905397. The next prime is 22905413. The reversal of 22905412 is 21450922.

It is not an unprimeable number, because it can be changed into a prime (22905413) 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, 140443 + ... + 140605.

Almost surely, 2^22905412 is an apocalyptic number.

It is an amenable number.

22905412 is a deficient number, since it is larger than the sum of its proper divisors (20557868).

22905412 is a wasteful number, since it uses less digits than its factorization.

22905412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22905412 is about 4785.9598828239. The cubic root of 22905412 is about 283.9963135143.

The spelling of 22905412 in words is "twenty-two million, nine hundred five thousand, four hundred twelve".