22482172 has 6 divisors (see below), whose sum is σ = 39343808. Its totient is φ = 11241084.

The previous prime is 22482157. The next prime is 22482179. The reversal of 22482172 is 27128422.

It is a self number, because there is not a number n which added to its sum of digits gives 22482172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22482179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810268 + ... + 2810275.

Almost surely, 2^22482172 is an apocalyptic number.

It is an amenable number.

22482172 is a deficient number, since it is larger than the sum of its proper divisors (16861636).

22482172 is a wasteful number, since it uses less digits than its factorization.

22482172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620547 (or 5620545 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 22482172 is about 4741.5368816450. The cubic root of 22482172 is about 282.2362254495.

The spelling of 22482172 in words is "twenty-two million, four hundred eighty-two thousand, one hundred seventy-two".