79443228 has 24 divisors (see below), whose sum is σ = 188408080. Its totient is φ = 26046720.

The previous prime is 79443163. The next prime is 79443229. The reversal of 79443228 is 82234497.

It is a super-2 number, since 2×79443228² = 12622452950119968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79443229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53533 + ... + 54996.

Almost surely, 2^79443228 is an apocalyptic number.

It is an amenable number.

79443228 is an abundant number, since it is smaller than the sum of its proper divisors (108964852).

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

79443228 is a wasteful number, since it uses less digits than its factorization.

79443228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108597 (or 108595 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 79443228 is about 8913.0930658218. The cubic root of 79443228 is about 429.8850025997.

The spelling of 79443228 in words is "seventy-nine million, four hundred forty-three thousand, two hundred twenty-eight".