223930252 has 48 divisors (see below), whose sum is σ = 490533120. Its totient is φ = 87077952.

The previous prime is 223930249. The next prime is 223930271. The reversal of 223930252 is 252039322.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 223930252.

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, 16263 + ... + 26689.

It is an arithmetic number, because the mean of its divisors is an integer number (10219440).

Almost surely, 2^223930252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223930252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245266560).

223930252 is an abundant number, since it is smaller than the sum of its proper divisors (266602868).

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

223930252 is a wasteful number, since it uses less digits than its factorization.

223930252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510 (or 10508 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 223930252 is about 14964.2992485449. The cubic root of 223930252 is about 607.2547533055.

Adding to 223930252 its reverse (252039322), we get a palindrome (475969574).

The spelling of 223930252 in words is "two hundred twenty-three million, nine hundred thirty thousand, two hundred fifty-two".