79222442 has 32 divisors (see below), whose sum is σ = 134652672. Its totient is φ = 34683264.

The previous prime is 79222441. The next prime is 79222477. The reversal of 79222442 is 24422297.

It is a junction number, because it is equal to n+sod(n) for n = 79222399 and 79222408.

It is not an unprimeable number, because it can be changed into a prime (79222441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81443 + ... + 82409.

It is an arithmetic number, because the mean of its divisors is an integer number (4207896).

Almost surely, 2^79222442 is an apocalyptic number.

79222442 is a deficient number, since it is larger than the sum of its proper divisors (55430230).

79222442 is a wasteful number, since it uses less digits than its factorization.

79222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142.

The product of its digits is 16128, while the sum is 32.

The square root of 79222442 is about 8900.6989613176. The cubic root of 79222442 is about 429.4863923612.

The spelling of 79222442 in words is "seventy-nine million, two hundred twenty-two thousand, four hundred forty-two".