22442531164 has 12 divisors (see below), whose sum is σ = 41584690224. Its totient is φ = 10561191104.

The previous prime is 22442531149. The next prime is 22442531183. The reversal of 22442531164 is 46113524422.

It is a super-2 number, since 2×22442531164² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165018544 + ... + 165018679.

It is an arithmetic number, because the mean of its divisors is an integer number (3465390852).

Almost surely, 2^22442531164 is an apocalyptic number.

It is an amenable number.

22442531164 is a deficient number, since it is larger than the sum of its proper divisors (19142159060).

22442531164 is a wasteful number, since it uses less digits than its factorization.

22442531164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330037244 (or 330037242 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The spelling of 22442531164 in words is "twenty-two billion, four hundred forty-two million, five hundred thirty-one thousand, one hundred sixty-four".