22256260551525 has 192 divisors, whose sum is σ = 49794828926976. Its totient is φ = 8470635264000.

The previous prime is 22256260551463. The next prime is 22256260551563. The reversal of 22256260551525 is 52515506265222.

It is not a de Polignac number, because 22256260551525 - 2¹⁴ = 22256260535141 is a prime.

It is a super-2 number, since 2×22256260551525² (a number of 27 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 191 ways as a sum of consecutive naturals, for example, 8367385 + ... + 10701665.

It is an arithmetic number, because the mean of its divisors is an integer number (259348067328).

Almost surely, 2^{22256260551525} is an apocalyptic number.

22256260551525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22256260551525 is an abundant number, since it is smaller than the sum of its proper divisors (27538568375451).

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

22256260551525 is a wasteful number, since it uses less digits than its factorization.

22256260551525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334452 (or 2334447 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 22256260551525 in words is "twenty-two trillion, two hundred fifty-six billion, two hundred sixty million, five hundred fifty-one thousand, five hundred twenty-five".