22004131044 has 48 divisors (see below), whose sum is σ = 58707571328. Its totient is φ = 6283692288.

The previous prime is 22004131013. The next prime is 22004131087. The reversal of 22004131044 is 44013140022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22004131044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101694 + ... + 233130.

Almost surely, 2^22004131044 is an apocalyptic number.

It is an amenable number.

22004131044 is an abundant number, since it is smaller than the sum of its proper divisors (36703440284).

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

22004131044 is a wasteful number, since it uses less digits than its factorization.

22004131044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133444 (or 133442 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22004131044 its reverse (44013140022), we get a palindrome (66017271066).

The spelling of 22004131044 in words is "twenty-two billion, four million, one hundred thirty-one thousand, forty-four".