22556003125221 has 48 divisors (see below), whose sum is σ = 33577675395264. Its totient is φ = 14585762644992.

The previous prime is 22556003125211. The next prime is 22556003125259. The reversal of 22556003125221 is 12252130065522.

22556003125221 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 600 + 3 + 1 + 25 + 2 + 21 = 666.

It is not a de Polignac number, because 22556003125221 - 2⁹ = 22556003124709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556003125211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10543966 + ... + 12501488.

It is an arithmetic number, because the mean of its divisors is an integer number (699534904068).

Almost surely, 2^{22556003125221} is an apocalyptic number.

It is an amenable number.

22556003125221 is a deficient number, since it is larger than the sum of its proper divisors (11021672270043).

22556003125221 is a wasteful number, since it uses less digits than its factorization.

22556003125221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957890 (or 1957887 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 22556003125221 in words is "twenty-two trillion, five hundred fifty-six billion, three million, one hundred twenty-five thousand, two hundred twenty-one".