22725586321 has 8 divisors (see below), whose sum is σ = 22759228584. Its totient is φ = 22691971200.

The previous prime is 22725586319. The next prime is 22725586327. The reversal of 22725586321 is 12368552722.

It can be written as a sum of positive squares in 4 ways, for example, as 9339096321 + 13386490000 = 96639^2 + 115700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22725586321 - 2¹ = 22725586319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22725586327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138421 + ... + 2149021.

It is an arithmetic number, because the mean of its divisors is an integer number (2844903573).

Almost surely, 2^22725586321 is an apocalyptic number.

It is an amenable number.

22725586321 is a deficient number, since it is larger than the sum of its proper divisors (33642263).

22725586321 is a wasteful number, since it uses less digits than its factorization.

22725586321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571.

The product of its digits is 403200, while the sum is 43.

The spelling of 22725586321 in words is "twenty-two billion, seven hundred twenty-five million, five hundred eighty-six thousand, three hundred twenty-one".