223026564 has 24 divisors (see below), whose sum is σ = 521261440. Its totient is φ = 74218464.

The previous prime is 223026563. The next prime is 223026581. The reversal of 223026564 is 465620322.

It is not an unprimeable number, because it can be changed into a prime (223026563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7804 + ... + 22515.

Almost surely, 2^223026564 is an apocalyptic number.

It is an amenable number.

223026564 is an abundant number, since it is smaller than the sum of its proper divisors (298234876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223026564 is a wasteful number, since it uses less digits than its factorization.

223026564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30939 (or 30937 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 223026564 is about 14934.0739250882. The cubic root of 223026564 is about 606.4367773391.

Adding to 223026564 its reverse (465620322), we get a palindrome (688646886).

The spelling of 223026564 in words is "two hundred twenty-three million, twenty-six thousand, five hundred sixty-four".