44172272 has 20 divisors (see below), whose sum is σ = 88345536. Its totient is φ = 21373440.

The previous prime is 44172269. The next prime is 44172277. The reversal of 44172272 is 27227144.

44172272 is an admirable number.

It is a super-2 number, since 2×44172272² = 3902379227283968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44172277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44033 + ... + 45024.

Almost surely, 2^44172272 is an apocalyptic number.

It is an amenable number.

44172272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

44172272 is a wasteful number, since it uses less digits than its factorization.

44172272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89096 (or 89090 counting only the distinct ones).

The product of its digits is 6272, while the sum is 29.

The square root of 44172272 is about 6646.2223856865. Note that the first 3 decimals coincide. The cubic root of 44172272 is about 353.4949760781.

It can be divided in two parts, 44172 and 272, that added together give a palindrome (44444).

The spelling of 44172272 in words is "forty-four million, one hundred seventy-two thousand, two hundred seventy-two".