223574568 has 64 divisors (see below), whose sum is σ = 644492160. Its totient is φ = 63307776.

The previous prime is 223574551. The next prime is 223574579. The reversal of 223574568 is 865475322.

223574568 = 1357² + 1358² + ... + 1468².

223574568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13096 + ... + 24872.

It is an arithmetic number, because the mean of its divisors is an integer number (10070190).

Almost surely, 2^223574568 is an apocalyptic number.

223574568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223574568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322246080).

223574568 is an abundant number, since it is smaller than the sum of its proper divisors (420917592).

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

223574568 is a wasteful number, since it uses less digits than its factorization.

223574568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906 (or 11902 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 223574568 is about 14952.4101067353. The cubic root of 223574568 is about 606.9330679347.

The spelling of 223574568 in words is "two hundred twenty-three million, five hundred seventy-four thousand, five hundred sixty-eight".