22568752441 has 9 divisors (see below), whose sum is σ = 23977131949. Its totient is φ = 21238775104.

The previous prime is 22568752411. The next prime is 22568752483. The reversal of 22568752441 is 14425786522.

The square root of 22568752441 is 150229.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 17166502441 + 5402250000 = 131021^2 + 73500^2 .

It is not a de Polignac number, because 22568752441 - 2⁹ = 22568751929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22568752391 and 22568752400.

It is not an unprimeable number, because it can be changed into a prime (22568752411) 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 8 ways as a sum of consecutive naturals, for example, 2549475 + ... + 2558311.

Almost surely, 2^22568752441 is an apocalyptic number.

22568752441 is the 150229-th square number.

22568752441 is the 75115-th centered octagonal number.

It is an amenable number.

22568752441 is a deficient number, since it is larger than the sum of its proper divisors (1408379508).

22568752441 is an frugal number, since it uses more digits than its factorization.

22568752441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708 (or 8854 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 46.

The spelling of 22568752441 in words is "twenty-two billion, five hundred sixty-eight million, seven hundred fifty-two thousand, four hundred forty-one".