79222113 has 24 divisors (see below), whose sum is σ = 118820520. Its totient is φ = 50803200.

The previous prime is 79222109. The next prime is 79222139. The reversal of 79222113 is 31122297.

It can be written as a sum of positive squares in 4 ways, for example, as 11209104 + 68013009 = 3348^2 + 8247^2 .

It is not a de Polignac number, because 79222113 - 2² = 79222109 is a prime.

It is a super-2 number, since 2×79222113² = 12552286376369538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79221113) 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 23 ways as a sum of consecutive naturals, for example, 112663 + ... + 113363.

It is an arithmetic number, because the mean of its divisors is an integer number (4950855).

Almost surely, 2^79222113 is an apocalyptic number.

It is an amenable number.

79222113 is a deficient number, since it is larger than the sum of its proper divisors (39598407).

79222113 is a wasteful number, since it uses less digits than its factorization.

79222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1166 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 79222113 is about 8900.6804796038. The cubic root of 79222113 is about 429.4857978276.

The spelling of 79222113 in words is "seventy-nine million, two hundred twenty-two thousand, one hundred thirteen".