223868502 has 128 divisors (see below), whose sum is σ = 596574720. Its totient is φ = 61326720.

The previous prime is 223868483. The next prime is 223868509. The reversal of 223868502 is 205868322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223868509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408993 + ... + 409539.

It is an arithmetic number, because the mean of its divisors is an integer number (4660740).

Almost surely, 2^223868502 is an apocalyptic number.

223868502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 223868502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298287360).

223868502 is an abundant number, since it is smaller than the sum of its proper divisors (372706218).

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

223868502 is a wasteful number, since it uses less digits than its factorization.

223868502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 223868502 is about 14962.2358623302. The cubic root of 223868502 is about 607.1989302267.

The spelling of 223868502 in words is "two hundred twenty-three million, eight hundred sixty-eight thousand, five hundred two".