22625385 has 32 divisors (see below), whose sum is σ = 38828160. Its totient is φ = 11209728.

The previous prime is 22625359. The next prime is 22625411. The reversal of 22625385 is 58352622.

22625385 = 277² + 278² + ... + 446².

It is an interprime number because it is at equal distance from previous prime (22625359) and next prime (22625411).

It is not a de Polignac number, because 22625385 - 2⁸ = 22625129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20631 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (1213380).

Almost surely, 2^22625385 is an apocalyptic number.

It is an amenable number.

22625385 is a deficient number, since it is larger than the sum of its proper divisors (16202775).

22625385 is a wasteful number, since it uses less digits than its factorization.

22625385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its digits is 28800, while the sum is 33.

The square root of 22625385 is about 4756.6148677395. The cubic root of 22625385 is about 282.8342455630.

The spelling of 22625385 in words is "twenty-two million, six hundred twenty-five thousand, three hundred eighty-five".