44272218 has 16 divisors (see below), whose sum is σ = 88695360. Its totient is φ = 14732256.

The previous prime is 44272211. The next prime is 44272219. The reversal of 44272218 is 81227244.

It is not an unprimeable number, because it can be changed into a prime (44272211) 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, 2278 + ... + 9681.

It is an arithmetic number, because the mean of its divisors is an integer number (5543460).

Almost surely, 2^44272218 is an apocalyptic number.

44272218 is an abundant number, since it is smaller than the sum of its proper divisors (44423142).

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

44272218 is a wasteful number, since it uses less digits than its factorization.

44272218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12581.

The product of its digits is 7168, while the sum is 30.

The square root of 44272218 is about 6653.7371453943. The cubic root of 44272218 is about 353.7613860078.

The spelling of 44272218 in words is "forty-four million, two hundred seventy-two thousand, two hundred eighteen".