220220044 has 12 divisors (see below), whose sum is σ = 420420168. Its totient is φ = 100100000.

The previous prime is 220219991. The next prime is 220220053. The reversal of 220220044 is 440022022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502457 + ... + 2502544.

It is an arithmetic number, because the mean of its divisors is an integer number (35035014).

Almost surely, 2^220220044 is an apocalyptic number.

It is an amenable number.

220220044 is a deficient number, since it is larger than the sum of its proper divisors (200200124).

220220044 is a wasteful number, since it uses less digits than its factorization.

220220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005016 (or 5005014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220220044 is about 14839.8128020538. The cubic root of 220220044 is about 603.8822738845.

Adding to 220220044 its reverse (440022022), we get a palindrome (660242066).

The spelling of 220220044 in words is "two hundred twenty million, two hundred twenty thousand, forty-four".