22549164 has 24 divisors (see below), whose sum is σ = 57398208. Its totient is φ = 6833040.

The previous prime is 22549147. The next prime is 22549187. The reversal of 22549164 is 46194522.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 85282 + ... + 85545.

It is an arithmetic number, because the mean of its divisors is an integer number (2391592).

Almost surely, 2^22549164 is an apocalyptic number.

It is an amenable number.

22549164 is an abundant number, since it is smaller than the sum of its proper divisors (34849044).

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

22549164 is a wasteful number, since it uses less digits than its factorization.

22549164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170845 (or 170843 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 22549164 is about 4748.5960030308. The cubic root of 22549164 is about 282.5162817253.

The spelling of 22549164 in words is "twenty-two million, five hundred forty-nine thousand, one hundred sixty-four".