22025055534221 has 16 divisors (see below), whose sum is σ = 23413222990080. Its totient is φ = 20647270195200.

The previous prime is 22025055534199. The next prime is 22025055534239. The reversal of 22025055534221 is 12243555052022.

It is not a de Polignac number, because 22025055534221 - 2²⁶ = 22024988425357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025055534281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5855996 + ... + 8851146.

It is an arithmetic number, because the mean of its divisors is an integer number (1463326436880).

Almost surely, 2^{22025055534221} is an apocalyptic number.

It is an amenable number.

22025055534221 is a deficient number, since it is larger than the sum of its proper divisors (1388167455859).

22025055534221 is a wasteful number, since it uses less digits than its factorization.

22025055534221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996884.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 22025055534221 in words is "twenty-two trillion, twenty-five billion, fifty-five million, five hundred thirty-four thousand, two hundred twenty-one".