22233156 has 24 divisors (see below), whose sum is σ = 56593824. Its totient is φ = 6737280.

The previous prime is 22233149. The next prime is 22233181. The reversal of 22233156 is 65133222.

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, 84085 + ... + 84348.

It is an arithmetic number, because the mean of its divisors is an integer number (2358076).

Almost surely, 2^22233156 is an apocalyptic number.

It is an amenable number.

22233156 is an abundant number, since it is smaller than the sum of its proper divisors (34360668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22233156 is a wasteful number, since it uses less digits than its factorization.

22233156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168451 (or 168449 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 22233156 is about 4715.2047675578. The cubic root of 22233156 is about 281.1903237337.

Adding to 22233156 its reverse (65133222), we get a palindrome (87366378).

The spelling of 22233156 in words is "twenty-two million, two hundred thirty-three thousand, one hundred fifty-six".