22044432312 has 128 divisors (see below), whose sum is σ = 70150579200. Its totient is φ = 6283267200.

The previous prime is 22044432299. The next prime is 22044432323. The reversal of 22044432312 is 21323444022.

22044432312 is a `hidden beast` number, since 2 + 204 + 443 + 2 + 3 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619237 + ... + 653867.

It is an arithmetic number, because the mean of its divisors is an integer number (548051400).

Almost surely, 2^22044432312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22044432312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35075289600).

22044432312 is an abundant number, since it is smaller than the sum of its proper divisors (48106146888).

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

22044432312 is a wasteful number, since it uses less digits than its factorization.

22044432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35074 (or 35064 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22044432312 its reverse (21323444022), we get a palindrome (43367876334).

The spelling of 22044432312 in words is "twenty-two billion, forty-four million, four hundred thirty-two thousand, three hundred twelve".