22004044736 has 14 divisors (see below), whose sum is σ = 43664276400. Its totient is φ = 11002022336.

The previous prime is 22004044709. The next prime is 22004044739. The reversal of 22004044736 is 63744040022.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004044739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171906536 + ... + 171906663.

Almost surely, 2^22004044736 is an apocalyptic number.

It is an amenable number.

22004044736 is a deficient number, since it is larger than the sum of its proper divisors (21660231664).

22004044736 is an equidigital number, since it uses as much as digits as its factorization.

22004044736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343813211 (or 343813201 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 22004044736 its reverse (63744040022), we get a palindrome (85748084758).

The spelling of 22004044736 in words is "twenty-two billion, four million, forty-four thousand, seven hundred thirty-six".