79021222 has 24 divisors (see below), whose sum is σ = 138899880. Its totient is φ = 33616800.

The previous prime is 79021211. The next prime is 79021273. The reversal of 79021222 is 22212097.

It is a congruent number.

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, 10722 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (5787495).

Almost surely, 2^79021222 is an apocalyptic number.

79021222 is a deficient number, since it is larger than the sum of its proper divisors (59878658).

79021222 is a wasteful number, since it uses less digits than its factorization.

79021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956 (or 5949 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 79021222 is about 8889.3881679225. The cubic root of 79021222 is about 429.1224612945.

The spelling of 79021222 in words is "seventy-nine million, twenty-one thousand, two hundred twenty-two".