22128152 has 32 divisors (see below), whose sum is σ = 44161200. Its totient is φ = 10394752.

The previous prime is 22128149. The next prime is 22128167. The reversal of 22128152 is 25182122.

It is a super-2 number, since 2×22128152² = 979310221870208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39023 + ... + 39585.

Almost surely, 2^22128152 is an apocalyptic number.

It is an amenable number.

22128152 is a deficient number, since it is larger than the sum of its proper divisors (22033048).

22128152 is an equidigital number, since it uses as much as digits as its factorization.

22128152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 582 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 22128152 is about 4704.0569724441. The cubic root of 22128152 is about 280.7469511775.

The spelling of 22128152 in words is "twenty-two million, one hundred twenty-eight thousand, one hundred fifty-two".