22604975 has 12 divisors (see below), whose sum is σ = 29249616. Its totient is φ = 17297280.

The previous prime is 22604969. The next prime is 22604993. The reversal of 22604975 is 57940622.

It is not a de Polignac number, because 22604975 - 2⁸ = 22604719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19082 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (2437468).

Almost surely, 2^22604975 is an apocalyptic number.

22604975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22604975 is a deficient number, since it is larger than the sum of its proper divisors (6644641).

22604975 is a wasteful number, since it uses less digits than its factorization.

22604975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39346 (or 39341 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 22604975 is about 4754.4689503666. The cubic root of 22604975 is about 282.7491732187.

The spelling of 22604975 in words is "twenty-two million, six hundred four thousand, nine hundred seventy-five".