22466172 has 24 divisors (see below), whose sum is σ = 53205376. Its totient is φ = 7376688.

The previous prime is 22466161. The next prime is 22466179. The reversal of 22466172 is 27166422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22466179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13168 + ... + 14775.

Almost surely, 2^22466172 is an apocalyptic number.

It is an amenable number.

22466172 is an abundant number, since it is smaller than the sum of its proper divisors (30739204).

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

22466172 is a wasteful number, since it uses less digits than its factorization.

22466172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28017 (or 28015 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 22466172 is about 4739.8493646950. The cubic root of 22466172 is about 282.1692560706.

The spelling of 22466172 in words is "twenty-two million, four hundred sixty-six thousand, one hundred seventy-two".