79228180422 has 24 divisors (see below), whose sum is σ = 171706344264. Its totient is φ = 26402426304.

The previous prime is 79228180391. The next prime is 79228180433. The reversal of 79228180422 is 22408182297.

It is a happy number.

79228180422 is a `hidden beast` number, since 79 + 2 + 2 + 81 + 80 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510243 + ... + 647150.

It is an arithmetic number, because the mean of its divisors is an integer number (7154431011).

Almost surely, 2^79228180422 is an apocalyptic number.

79228180422 is an abundant number, since it is smaller than the sum of its proper divisors (92478163842).

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

79228180422 is a wasteful number, since it uses less digits than its factorization.

79228180422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161204 (or 1161201 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 79228180422 in words is "seventy-nine billion, two hundred twenty-eight million, one hundred eighty thousand, four hundred twenty-two".