22560805 has 4 divisors (see below), whose sum is σ = 27072972. Its totient is φ = 18048640.

The previous prime is 22560803. The next prime is 22560817. The reversal of 22560805 is 50806522.

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 13905441 + 8655364 = 3729^2 + 2942^2 .

It is not a de Polignac number, because 22560805 - 2¹ = 22560803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22560803) 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, 2256076 + ... + 2256085.

It is an arithmetic number, because the mean of its divisors is an integer number (6768243).

Almost surely, 2^22560805 is an apocalyptic number.

It is an amenable number.

22560805 is a deficient number, since it is larger than the sum of its proper divisors (4512167).

22560805 is an equidigital number, since it uses as much as digits as its factorization.

22560805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512166.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 22560805 is about 4749.8215755963. The cubic root of 22560805 is about 282.5648896805.

The spelling of 22560805 in words is "twenty-two million, five hundred sixty thousand, eight hundred five".