22530644544125 has 32 divisors (see below), whose sum is σ = 28180798304256. Its totient is φ = 17984438160000.

The previous prime is 22530644544041. The next prime is 22530644544137. The reversal of 22530644544125 is 52144544603522.

It is a de Polignac number, because none of the positive numbers 2^k-22530644544125 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22530644544125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220787864 + ... + 220889886.

It is an arithmetic number, because the mean of its divisors is an integer number (880649947008).

Almost surely, 2^{22530644544125} is an apocalyptic number.

22530644544125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22530644544125 is a deficient number, since it is larger than the sum of its proper divisors (5650153760131).

22530644544125 is a wasteful number, since it uses less digits than its factorization.

22530644544125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105950 (or 105940 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 47.

The spelling of 22530644544125 in words is "twenty-two trillion, five hundred thirty billion, six hundred forty-four million, five hundred forty-four thousand, one hundred twenty-five".