252224236 has 24 divisors (see below), whose sum is σ = 481924800. Its totient is φ = 114550800.

The previous prime is 252224213. The next prime is 252224243. The reversal of 252224236 is 632422252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90991 + ... + 93721.

It is an arithmetic number, because the mean of its divisors is an integer number (20080200).

Almost surely, 2^252224236 is an apocalyptic number.

It is an amenable number.

252224236 is a deficient number, since it is larger than the sum of its proper divisors (229700564).

252224236 is a wasteful number, since it uses less digits than its factorization.

252224236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845 (or 4843 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 252224236 is about 15881.5690660589. The cubic root of 252224236 is about 631.8232527968.

Adding to 252224236 its reverse (632422252), we get a palindrome (884646488).

The spelling of 252224236 in words is "two hundred fifty-two million, two hundred twenty-four thousand, two hundred thirty-six".