223500252 has 12 divisors (see below), whose sum is σ = 521500616. Its totient is φ = 74500080.

The previous prime is 223500217. The next prime is 223500259. The reversal of 223500252 is 252005322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223500259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9312499 + ... + 9312522.

Almost surely, 2^223500252 is an apocalyptic number.

It is an amenable number.

223500252 is an abundant number, since it is smaller than the sum of its proper divisors (298000364).

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

223500252 is a wasteful number, since it uses less digits than its factorization.

223500252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18625028 (or 18625026 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 223500252 is about 14949.9248158645. The cubic root of 223500252 is about 606.8658124670.

Adding to 223500252 its reverse (252005322), we get a palindrome (475505574).

The spelling of 223500252 in words is "two hundred twenty-three million, five hundred thousand, two hundred fifty-two".