22157332 has 12 divisors (see below), whose sum is σ = 39432960. Its totient is φ = 10890776.

The previous prime is 22157327. The next prime is 22157389. The reversal of 22157332 is 23375122.

It is a super-2 number, since 2×22157332² = 981894722716448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22157297 and 22157306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46708 + ... + 47179.

It is an arithmetic number, because the mean of its divisors is an integer number (3286080).

Almost surely, 2^22157332 is an apocalyptic number.

It is an amenable number.

22157332 is a deficient number, since it is larger than the sum of its proper divisors (17275628).

22157332 is a wasteful number, since it uses less digits than its factorization.

22157332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93950 (or 93948 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 22157332 is about 4707.1575287003. The cubic root of 22157332 is about 280.8703023082.

The spelling of 22157332 in words is "twenty-two million, one hundred fifty-seven thousand, three hundred thirty-two".