79225566 has 32 divisors (see below), whose sum is σ = 184508928. Its totient is φ = 22208160.

The previous prime is 79225561. The next prime is 79225583. The reversal of 79225566 is 66552297.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79225561) 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, 15570 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (5765904).

Almost surely, 2^79225566 is an apocalyptic number.

79225566 is an abundant number, since it is smaller than the sum of its proper divisors (105283362).

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

79225566 is a wasteful number, since it uses less digits than its factorization.

79225566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35656.

The product of its digits is 226800, while the sum is 42.

The square root of 79225566 is about 8900.8744514233. The cubic root of 79225566 is about 429.4920376381.

The spelling of 79225566 in words is "seventy-nine million, two hundred twenty-five thousand, five hundred sixty-six".