22331144224 has 24 divisors (see below), whose sum is σ = 45480457260. Its totient is φ = 10780551936.

The previous prime is 22331144207. The next prime is 22331144249. The reversal of 22331144224 is 42244113322.

It can be written as a sum of positive squares in 2 ways, for example, as 21413054224 + 918090000 = 146332^2 + 30300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22331144192 and 22331144201.

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, 12030939 + ... + 12032794.

Almost surely, 2^22331144224 is an apocalyptic number.

It is an amenable number.

22331144224 is an abundant number, since it is smaller than the sum of its proper divisors (23149313036).

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

22331144224 is a wasteful number, since it uses less digits than its factorization.

22331144224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24063772 (or 24063764 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 22331144224 its reverse (42244113322), we get a palindrome (64575257546).

The spelling of 22331144224 in words is "twenty-two billion, three hundred thirty-one million, one hundred forty-four thousand, two hundred twenty-four".