22568752505 has 32 divisors (see below), whose sum is σ = 30213056160. Its totient is φ = 16069294080.

The previous prime is 22568752499. The next prime is 22568752513. The reversal of 22568752505 is 50525786522.

It can be written as a sum of positive squares in 16 ways, for example, as 20219702416 + 2349050089 = 142196^2 + 48467^2 .

It is not a de Polignac number, because 22568752505 - 2¹⁰ = 22568751481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22568752505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426619 + ... + 1442351.

It is an arithmetic number, because the mean of its divisors is an integer number (944158005).

Almost surely, 2^22568752505 is an apocalyptic number.

It is an amenable number.

22568752505 is a deficient number, since it is larger than the sum of its proper divisors (7644303655).

22568752505 is a wasteful number, since it uses less digits than its factorization.

22568752505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16541.

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 22568752505 in words is "twenty-two billion, five hundred sixty-eight million, seven hundred fifty-two thousand, five hundred five".