22207164 has 24 divisors (see below), whose sum is σ = 59219328. Its totient is φ = 6344880.

The previous prime is 22207153. The next prime is 22207189. The reversal of 22207164 is 46170222.

It is a congruent number.

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, 132102 + ... + 132269.

It is an arithmetic number, because the mean of its divisors is an integer number (2467472).

Almost surely, 2^22207164 is an apocalyptic number.

It is an amenable number.

22207164 is an abundant number, since it is smaller than the sum of its proper divisors (37012164).

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

22207164 is a wasteful number, since it uses less digits than its factorization.

22207164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264385 (or 264383 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22207164 is about 4712.4477715939. The cubic root of 22207164 is about 281.0807044357.

Adding to 22207164 its reverse (46170222), we get a palindrome (68377386).

The spelling of 22207164 in words is "twenty-two million, two hundred seven thousand, one hundred sixty-four".