22628164 has 48 divisors (see below), whose sum is σ = 46177600. Its totient is φ = 9611136.

The previous prime is 22628131. The next prime is 22628231. The reversal of 22628164 is 46182622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36247 + ... + 36865.

Almost surely, 2^22628164 is an apocalyptic number.

It is an amenable number.

22628164 is an abundant number, since it is smaller than the sum of its proper divisors (23549436).

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

22628164 is a wasteful number, since it uses less digits than its factorization.

22628164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 22628164 is about 4756.9069782791. The cubic root of 22628164 is about 282.8458249488.

The spelling of 22628164 in words is "twenty-two million, six hundred twenty-eight thousand, one hundred sixty-four".