22331164 has 12 divisors (see below), whose sum is σ = 39251800. Its totient is φ = 11116368.

The previous prime is 22331161. The next prime is 22331203. The reversal of 22331164 is 46113322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331161) 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, 11274 + ... + 13105.

Almost surely, 2^22331164 is an apocalyptic number.

It is an amenable number.

22331164 is a deficient number, since it is larger than the sum of its proper divisors (16920636).

22331164 is a wasteful number, since it uses less digits than its factorization.

22331164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24612 (or 24610 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 22331164 is about 4725.5861012154. The cubic root of 22331164 is about 281.6028983162.

Adding to 22331164 its reverse (46113322), we get a palindrome (68444486).

The spelling of 22331164 in words is "twenty-two million, three hundred thirty-one thousand, one hundred sixty-four".