22726462312625 has 8 divisors (see below), whose sum is σ = 28362624966312. Its totient is φ = 18181169850000.

The previous prime is 22726462312511. The next prime is 22726462312693. The reversal of 22726462312625 is 52621326462722.

It can be written as a sum of positive squares in 4 ways, for example, as 6847265425984 + 15879196886641 = 2616728^2 + 3984871^2 .

It is not a de Polignac number, because 22726462312625 - 2²⁶ = 22726395203761 is a prime.

It is a Duffinian 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, 90905849126 + ... + 90905849375.

It is an arithmetic number, because the mean of its divisors is an integer number (3545328120789).

Almost surely, 2^{22726462312625} is an apocalyptic number.

22726462312625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22726462312625 is a deficient number, since it is larger than the sum of its proper divisors (5636162653687).

22726462312625 is an equidigital number, since it uses as much as digits as its factorization.

22726462312625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181811698516 (or 181811698506 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 50.

The spelling of 22726462312625 in words is "twenty-two trillion, seven hundred twenty-six billion, four hundred sixty-two million, three hundred twelve thousand, six hundred twenty-five".