22566252666436 has 12 divisors (see below), whose sum is σ = 39513888687420. Its totient is φ = 11276570184320.

The previous prime is 22566252666413. The next prime is 22566252666487. The reversal of 22566252666436 is 63466625266522.

It can be written as a sum of positive squares in 2 ways, for example, as 20118310798336 + 2447941868100 = 4485344^2 + 1564590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639029481 + ... + 1639043248.

It is an arithmetic number, because the mean of its divisors is an integer number (3292824057285).

Almost surely, 2^{22566252666436} is an apocalyptic number.

It is an amenable number.

22566252666436 is a deficient number, since it is larger than the sum of its proper divisors (16947636020984).

22566252666436 is a wasteful number, since it uses less digits than its factorization.

22566252666436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278074454 (or 3278074452 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 61.

The spelling of 22566252666436 in words is "twenty-two trillion, five hundred sixty-six billion, two hundred fifty-two million, six hundred sixty-six thousand, four hundred thirty-six".