223311252 has 48 divisors (see below), whose sum is σ = 570749760. Its totient is φ = 67640832.

The previous prime is 223311211. The next prime is 223311287. The reversal of 223311252 is 252113322.

It is a congruent number.

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, 12958 + ... + 24789.

It is an arithmetic number, because the mean of its divisors is an integer number (11890620).

Almost surely, 2^223311252 is an apocalyptic number.

It is an amenable number.

223311252 is an abundant number, since it is smaller than the sum of its proper divisors (347438508).

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

223311252 is a wasteful number, since it uses less digits than its factorization.

223311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37800 (or 37798 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 223311252 is about 14943.6023769371. The cubic root of 223311252 is about 606.6947015718.

Adding to 223311252 its reverse (252113322), we get a palindrome (475424574).

The spelling of 223311252 in words is "two hundred twenty-three million, three hundred eleven thousand, two hundred fifty-two".