22560345 has 12 divisors (see below), whose sum is σ = 39104676. Its totient is φ = 12032160.

The previous prime is 22560287. The next prime is 22560359. The reversal of 22560345 is 54306522.

It can be written as a sum of positive squares in 2 ways, for example, as 11108889 + 11451456 = 3333^2 + 3384^2 .

It is not a de Polignac number, because 22560345 - 2¹⁰ = 22559321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250626 + ... + 250715.

It is an arithmetic number, because the mean of its divisors is an integer number (3258723).

Almost surely, 2^22560345 is an apocalyptic number.

It is an amenable number.

22560345 is a deficient number, since it is larger than the sum of its proper divisors (16544331).

22560345 is a wasteful number, since it uses less digits than its factorization.

22560345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501352 (or 501349 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 22560345 is about 4749.7731524779. The cubic root of 22560345 is about 282.5629692299.

Adding to 22560345 its reverse (54306522), we get a palindrome (76866867).

The spelling of 22560345 in words is "twenty-two million, five hundred sixty thousand, three hundred forty-five".