22026621042225 has 72 divisors (see below), whose sum is σ = 39995296835832. Its totient is φ = 11585814912000.

The previous prime is 22026621042197. The next prime is 22026621042317. The reversal of 22026621042225 is 52224012662022.

22026621042225 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 6 + 621 + 0 + 4 + 2 + 2 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 16111160404641 + 5915460637584 = 4013871^2 + 2432172^2 .

It is not a de Polignac number, because 22026621042225 - 2²⁴ = 22026604265009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22026621042225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 300557287 + ... + 300630563.

It is an arithmetic number, because the mean of its divisors is an integer number (555490233831).

Almost surely, 2^{22026621042225} is an apocalyptic number.

22026621042225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22026621042225 is a deficient number, since it is larger than the sum of its proper divisors (17968675793607).

22026621042225 is a wasteful number, since it uses less digits than its factorization.

22026621042225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91667 (or 91659 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 22026621042225 in words is "twenty-two trillion, twenty-six billion, six hundred twenty-one million, forty-two thousand, two hundred twenty-five".