79287222 has 32 divisors (see below), whose sum is σ = 183032064. Its totient is φ = 22428000.

The previous prime is 79287211. The next prime is 79287223. The reversal of 79287222 is 22278297.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79287223) 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, 5104 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (5719752).

Almost surely, 2^79287222 is an apocalyptic number.

79287222 is an abundant number, since it is smaller than the sum of its proper divisors (103744842).

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

79287222 is a wasteful number, since it uses less digits than its factorization.

79287222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804.

The product of its digits is 56448, while the sum is 39.

The square root of 79287222 is about 8904.3372577638. The cubic root of 79287222 is about 429.6034237977.

The spelling of 79287222 in words is "seventy-nine million, two hundred eighty-seven thousand, two hundred twenty-two".