79222986 has 24 divisors (see below), whose sum is σ = 173353284. Its totient is φ = 26145600.

The previous prime is 79222973. The next prime is 79222991. The reversal of 79222986 is 68922297.

It can be written as a sum of positive squares in 2 ways, for example, as 77105961 + 2117025 = 8781^2 + 1455^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19971 + ... + 23606.

Almost surely, 2^79222986 is an apocalyptic number.

79222986 is an abundant number, since it is smaller than the sum of its proper divisors (94130298).

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

79222986 is a wasteful number, since it uses less digits than its factorization.

79222986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43686 (or 43683 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 79222986 is about 8900.7295206629. The cubic root of 79222986 is about 429.4873754163.

It can be divided in two parts, 79222 and 986, that added together give a palindrome (80208).

The spelling of 79222986 in words is "seventy-nine million, two hundred twenty-two thousand, nine hundred eighty-six".