79002220 has 24 divisors (see below), whose sum is σ = 180987408. Its totient is φ = 28728000.

The previous prime is 79002211. The next prime is 79002227. The reversal of 79002220 is 2220097.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 79002191 and 79002200.

It is not an unprimeable number, because it can be changed into a prime (79002227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179331 + ... + 179770.

It is an arithmetic number, because the mean of its divisors is an integer number (7541142).

Almost surely, 2^79002220 is an apocalyptic number.

It is an amenable number.

79002220 is an abundant number, since it is smaller than the sum of its proper divisors (101985188).

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

79002220 is a wasteful number, since it uses less digits than its factorization.

79002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359121 (or 359119 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 79002220 is about 8888.3193011952. The cubic root of 79002220 is about 429.0880619332.

The spelling of 79002220 in words is "seventy-nine million, two thousand, two hundred twenty".