22765436125 has 8 divisors (see below), whose sum is σ = 28411264440. Its totient is φ = 18212348800.

The previous prime is 22765436119. The next prime is 22765436171. The reversal of 22765436125 is 52163456722.

It can be written as a sum of positive squares in 4 ways, for example, as 674856484 + 22090579641 = 25978^2 + 148629^2 .

It is not a de Polignac number, because 22765436125 - 2¹⁷ = 22765305053 is a prime.

It is a super-2 number, since 2×22765436125² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91061620 + ... + 91061869.

It is an arithmetic number, because the mean of its divisors is an integer number (3551408055).

Almost surely, 2^22765436125 is an apocalyptic number.

22765436125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22765436125 is a deficient number, since it is larger than the sum of its proper divisors (5645828315).

22765436125 is an equidigital number, since it uses as much as digits as its factorization.

22765436125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182123504 (or 182123494 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The spelling of 22765436125 in words is "twenty-two billion, seven hundred sixty-five million, four hundred thirty-six thousand, one hundred twenty-five".