22557152 has 24 divisors (see below), whose sum is σ = 44756712. Its totient is φ = 11190400.

The previous prime is 22557151. The next prime is 22557163. The reversal of 22557152 is 25175522.

It is a super-2 number, since 2×22557152² = 1017650212702208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22557151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (1864863).

Almost surely, 2^22557152 is an apocalyptic number.

It is an amenable number.

22557152 is a deficient number, since it is larger than the sum of its proper divisors (22199560).

22557152 is a wasteful number, since it uses less digits than its factorization.

22557152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522 (or 5514 counting only the distinct ones).

The product of its digits is 7000, while the sum is 29.

The square root of 22557152 is about 4749.4370192687. The cubic root of 22557152 is about 282.5496380784.

The spelling of 22557152 in words is "twenty-two million, five hundred fifty-seven thousand, one hundred fifty-two".