2220029979 has 32 divisors (see below), whose sum is σ = 3041822784. Its totient is φ = 1439907840.

The previous prime is 2220029971. The next prime is 2220030023. The reversal of 2220029979 is 9799200222.

It is not a de Polignac number, because 2220029979 - 2³ = 2220029971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220029979.

It is not an unprimeable number, because it can be changed into a prime (2220029971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5951637 + ... + 5952009.

It is an arithmetic number, because the mean of its divisors is an integer number (95056962).

Almost surely, 2^2220029979 is an apocalyptic number.

2220029979 is a deficient number, since it is larger than the sum of its proper divisors (821792805).

2220029979 is a wasteful number, since it uses less digits than its factorization.

2220029979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 2220029979 is about 47117.1940909049. The cubic root of 2220029979 is about 1304.5266221003.

The spelling of 2220029979 in words is "two billion, two hundred twenty million, twenty-nine thousand, nine hundred seventy-nine".