2220044979 has 16 divisors (see below), whose sum is σ = 3080246400. Its totient is φ = 1421103936.

The previous prime is 2220044941. The next prime is 2220045001. The reversal of 2220044979 is 9794400222.

It is not a de Polignac number, because 2220044979 - 2¹⁵ = 2220012211 is a prime.

It is a super-2 number, since 2×2220044979² = 9857199417566220882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220044929) 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, 138234 + ... + 153455.

It is an arithmetic number, because the mean of its divisors is an integer number (192515400).

Almost surely, 2^2220044979 is an apocalyptic number.

2220044979 is a deficient number, since it is larger than the sum of its proper divisors (860201421).

2220044979 is a wasteful number, since it uses less digits than its factorization.

2220044979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291794.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2220044979 is about 47117.3532681962. The cubic root of 2220044979 is about 1304.5295601770.

The spelling of 2220044979 in words is "two billion, two hundred twenty million, forty-four thousand, nine hundred seventy-nine".