655223564 has 24 divisors (see below), whose sum is σ = 1224451200. Its totient is φ = 306109440.

The previous prime is 655223561. The next prime is 655223567. The reversal of 655223564 is 465322556.

655223564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (655223561) and next prime (655223567).

It is not an unprimeable number, because it can be changed into a prime (655223561) 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, 87509 + ... + 94700.

It is an arithmetic number, because the mean of its divisors is an integer number (51018800).

Almost surely, 2^655223564 is an apocalyptic number.

It is an amenable number.

655223564 is a deficient number, since it is larger than the sum of its proper divisors (569227636).

655223564 is a wasteful number, since it uses less digits than its factorization.

655223564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182273 (or 182271 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 655223564 is about 25597.3350956696. The cubic root of 655223564 is about 868.5533557373.

The spelling of 655223564 in words is "six hundred fifty-five million, two hundred twenty-three thousand, five hundred sixty-four".