44474220 has 144 divisors (see below), whose sum is σ = 157667328. Its totient is φ = 9936000.

The previous prime is 44474219. The next prime is 44474237. The reversal of 44474220 is 2247444.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58845 + ... + 59595.

It is an arithmetic number, because the mean of its divisors is an integer number (1094912).

Almost surely, 2^44474220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44474220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78833664).

44474220 is an abundant number, since it is smaller than the sum of its proper divisors (113193108).

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

44474220 is a wasteful number, since it uses less digits than its factorization.

44474220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 44474220 is about 6668.8994594311. The cubic root of 44474220 is about 354.2986085256.

The spelling of 44474220 in words is "forty-four million, four hundred seventy-four thousand, two hundred twenty".