220444124 has 12 divisors (see below), whose sum is σ = 386120448. Its totient is φ = 110124000.

The previous prime is 220444111. The next prime is 220444127. The reversal of 220444124 is 421444022.

It is a super-2 number, since 2×220444124² = 97191223612254752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220444124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220444127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19337 + ... + 28544.

It is an arithmetic number, because the mean of its divisors is an integer number (32176704).

Almost surely, 2^220444124 is an apocalyptic number.

It is an amenable number.

220444124 is a deficient number, since it is larger than the sum of its proper divisors (165676324).

220444124 is a wasteful number, since it uses less digits than its factorization.

220444124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49036 (or 49034 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 220444124 is about 14847.3608429242. The cubic root of 220444124 is about 604.0870267714.

Adding to 220444124 its reverse (421444022), we get a palindrome (641888146).

The spelling of 220444124 in words is "two hundred twenty million, four hundred forty-four thousand, one hundred twenty-four".