22004255721072 has 20 divisors (see below), whose sum is σ = 56844327279560. Its totient is φ = 7334751907008.

The previous prime is 22004255721043. The next prime is 22004255721233. The reversal of 22004255721072 is 27012755240022.

It is a self number, because there is not a number n which added to its sum of digits gives 22004255721072.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 229210997047 + ... + 229210997142.

It is an arithmetic number, because the mean of its divisors is an integer number (2842216363978).

Almost surely, 2^{22004255721072} is an apocalyptic number.

It is an amenable number.

22004255721072 is an abundant number, since it is smaller than the sum of its proper divisors (34840071558488).

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

22004255721072 is a wasteful number, since it uses less digits than its factorization.

22004255721072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458421994200 (or 458421994194 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 22004255721072 in words is "twenty-two trillion, four billion, two hundred fifty-five million, seven hundred twenty-one thousand, seventy-two".