79913222 has 4 divisors (see below), whose sum is σ = 119869836. Its totient is φ = 39956610.

The previous prime is 79913203. The next prime is 79913237. The reversal of 79913222 is 22231997.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×79913222² = 12772246100842568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19978304 + ... + 19978307.

It is an arithmetic number, because the mean of its divisors is an integer number (29967459).

Almost surely, 2^79913222 is an apocalyptic number.

79913222 is a deficient number, since it is larger than the sum of its proper divisors (39956614).

79913222 is a wasteful number, since it uses less digits than its factorization.

79913222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39956613.

The product of its digits is 13608, while the sum is 35.

The square root of 79913222 is about 8939.4195561009. The cubic root of 79913222 is about 430.7310836952.

The spelling of 79913222 in words is "seventy-nine million, nine hundred thirteen thousand, two hundred twenty-two".