22522164 has 36 divisors (see below), whose sum is σ = 61133184. Its totient is φ = 6434736.

The previous prime is 22522141. The next prime is 22522169. The reversal of 22522164 is 46122522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18564 + ... + 19739.

It is an arithmetic number, because the mean of its divisors is an integer number (1698144).

Almost surely, 2^22522164 is an apocalyptic number.

It is an amenable number.

22522164 is an abundant number, since it is smaller than the sum of its proper divisors (38611020).

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

22522164 is a wasteful number, since it uses less digits than its factorization.

22522164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38324 (or 38315 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 22522164 is about 4745.7522059206. The cubic root of 22522164 is about 282.4034765654.

Adding to 22522164 its reverse (46122522), we get a palindrome (68644686).

The spelling of 22522164 in words is "twenty-two million, five hundred twenty-two thousand, one hundred sixty-four".