223455568 has 20 divisors (see below), whose sum is σ = 494794720. Its totient is φ = 95766624.

The previous prime is 223455521. The next prime is 223455703. The reversal of 223455568 is 865554322.

It is a happy number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 223455568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997458 + ... + 997681.

It is an arithmetic number, because the mean of its divisors is an integer number (24739736).

Almost surely, 2^223455568 is an apocalyptic number.

223455568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

223455568 is an abundant number, since it is smaller than the sum of its proper divisors (271339152).

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

223455568 is a wasteful number, since it uses less digits than its factorization.

223455568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995154 (or 1995148 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 223455568 is about 14948.4302854848. The cubic root of 223455568 is about 606.8253665777.

The spelling of 223455568 in words is "two hundred twenty-three million, four hundred fifty-five thousand, five hundred sixty-eight".