22885565 has 8 divisors (see below), whose sum is σ = 27491640. Its totient is φ = 18289152.

The previous prime is 22885561. The next prime is 22885579. The reversal of 22885565 is 56558822.

It can be written as a sum of positive squares in 4 ways, for example, as 4318084 + 18567481 = 2078^2 + 4309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22885565 - 2² = 22885561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22885561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4721 + ... + 8249.

It is an arithmetic number, because the mean of its divisors is an integer number (3436455).

Almost surely, 2^22885565 is an apocalyptic number.

It is an amenable number.

22885565 is a deficient number, since it is larger than the sum of its proper divisors (4606075).

22885565 is a wasteful number, since it uses less digits than its factorization.

22885565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831.

The product of its digits is 192000, while the sum is 41.

The square root of 22885565 is about 4783.8859727213. The cubic root of 22885565 is about 283.9142644396.

The spelling of 22885565 in words is "twenty-two million, eight hundred eighty-five thousand, five hundred sixty-five".