252230216 has 16 divisors (see below), whose sum is σ = 540493440. Its totient is φ = 108098640.

The previous prime is 252230191. The next prime is 252230219. The reversal of 252230216 is 612032252.

It is a junction number, because it is equal to n+sod(n) for n = 252230191 and 252230200.

It is not an unprimeable number, because it can be changed into a prime (252230219) 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, 2252000 + ... + 2252111.

It is an arithmetic number, because the mean of its divisors is an integer number (33780840).

Almost surely, 2^252230216 is an apocalyptic number.

It is an amenable number.

252230216 is an abundant number, since it is smaller than the sum of its proper divisors (288263224).

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

252230216 is a wasteful number, since it uses less digits than its factorization.

252230216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504124 (or 4504120 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 252230216 is about 15881.7573334943. The cubic root of 252230216 is about 631.8282460695.

Adding to 252230216 its reverse (612032252), we get a palindrome (864262468).

The spelling of 252230216 in words is "two hundred fifty-two million, two hundred thirty thousand, two hundred sixteen".