79228442 has 16 divisors (see below), whose sum is σ = 126090240. Its totient is φ = 37231488.

The previous prime is 79228427. The next prime is 79228451. The reversal of 79228442 is 24482297.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 79228396 and 79228405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3383 + ... + 13034.

It is an arithmetic number, because the mean of its divisors is an integer number (7880640).

Almost surely, 2^79228442 is an apocalyptic number.

79228442 is a deficient number, since it is larger than the sum of its proper divisors (46861798).

79228442 is a wasteful number, since it uses less digits than its factorization.

79228442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16565.

The product of its digits is 64512, while the sum is 38.

The square root of 79228442 is about 8901.0360071174. The cubic root of 79228442 is about 429.4972346311.

The spelling of 79228442 in words is "seventy-nine million, two hundred twenty-eight thousand, four hundred forty-two".