22224243204 has 18 divisors (see below), whose sum is σ = 56177948190. Its totient is φ = 7408081056.

The previous prime is 22224243199. The next prime is 22224243211. The reversal of 22224243204 is 40234242222.

22224243204 is a `hidden beast` number, since 2 + 2 + 224 + 2 + 432 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21949015104 + 275228100 = 148152^2 + 16590^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308670009 + ... + 308670080.

Almost surely, 2^22224243204 is an apocalyptic number.

It is an amenable number.

22224243204 is an abundant number, since it is smaller than the sum of its proper divisors (33953704986).

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

22224243204 is a wasteful number, since it uses less digits than its factorization.

22224243204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617340099 (or 617340094 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22224243204 its reverse (40234242222), we get a palindrome (62458485426).

The spelling of 22224243204 in words is "twenty-two billion, two hundred twenty-four million, two hundred forty-three thousand, two hundred four".