22504080902000 has 80 divisors (see below), whose sum is σ = 55742059717344. Its totient is φ = 8782080320000.

The previous prime is 22504080901943. The next prime is 22504080902117. The reversal of 22504080902000 is 20908040522.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22504080902000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137138006 + ... + 137302005.

Almost surely, 2^{22504080902000} is an apocalyptic number.

22504080902000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22504080902000 is an abundant number, since it is smaller than the sum of its proper divisors (33237978815344).

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

22504080902000 is a wasteful number, since it uses less digits than its factorization.

22504080902000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274440075 (or 274440059 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 22504080902000 its reverse (20908040522), we get a palindrome (22524988942522).

The spelling of 22504080902000 in words is "twenty-two trillion, five hundred four billion, eighty million, nine hundred two thousand".