44157224 has 8 divisors (see below), whose sum is σ = 82794810. Its totient is φ = 22078608.

The previous prime is 44157209. The next prime is 44157247. The reversal of 44157224 is 42275144.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 465124 = 6610^2 + 682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759819 + ... + 2759834.

Almost surely, 2^44157224 is an apocalyptic number.

It is an amenable number.

44157224 is a deficient number, since it is larger than the sum of its proper divisors (38637586).

44157224 is a wasteful number, since it uses less digits than its factorization.

44157224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519659 (or 5519655 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 44157224 is about 6645.0902175967. The cubic root of 44157224 is about 353.4548302557.

The spelling of 44157224 in words is "forty-four million, one hundred fifty-seven thousand, two hundred twenty-four".