22560365 has 4 divisors (see below), whose sum is σ = 27072444. Its totient is φ = 18048288.

The previous prime is 22560359. The next prime is 22560367. The reversal of 22560365 is 56306522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15976009 + 6584356 = 3997^2 + 2566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22560365 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22560367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256032 + ... + 2256041.

It is an arithmetic number, because the mean of its divisors is an integer number (6768111).

Almost surely, 2^22560365 is an apocalyptic number.

It is an amenable number.

22560365 is a deficient number, since it is larger than the sum of its proper divisors (4512079).

22560365 is an equidigital number, since it uses as much as digits as its factorization.

22560365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512078.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 22560365 is about 4749.7752578412. The cubic root of 22560365 is about 282.5630527283.

Adding to 22560365 its reverse (56306522), we get a palindrome (78866887).

The spelling of 22560365 in words is "twenty-two million, five hundred sixty thousand, three hundred sixty-five".