252217210 has 48 divisors (see below), whose sum is σ = 555927840. Its totient is φ = 81920160.

The previous prime is 252217201. The next prime is 252217211. The reversal of 252217210 is 12712252.

252217210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252217210² = 127227042040368200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252217211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4236 + ... + 22855.

It is an arithmetic number, because the mean of its divisors is an integer number (11581830).

Almost surely, 2^252217210 is an apocalyptic number.

252217210 is an abundant number, since it is smaller than the sum of its proper divisors (303710630).

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

252217210 is a wasteful number, since it uses less digits than its factorization.

252217210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27131 (or 27124 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 252217210 is about 15881.3478647122. The cubic root of 252217210 is about 631.8173860180.

Adding to 252217210 its reverse (12712252), we get a palindrome (264929462).

The spelling of 252217210 in words is "two hundred fifty-two million, two hundred seventeen thousand, two hundred ten".