252244515222 has 96 divisors (see below), whose sum is σ = 628313587200. Its totient is φ = 71642672640.

The previous prime is 252244515197. The next prime is 252244515239. The reversal of 252244515222 is 222515442252.

252244515222 is a `hidden beast` number, since 25 + 22 + 44 + 51 + 522 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32166022 + ... + 32173862.

It is an arithmetic number, because the mean of its divisors is an integer number (6544933200).

Almost surely, 2^252244515222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252244515222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314156793600).

252244515222 is an abundant number, since it is smaller than the sum of its proper divisors (376069071978).

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

252244515222 is a wasteful number, since it uses less digits than its factorization.

252244515222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338 (or 9335 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

Adding to 252244515222 its reverse (222515442252), we get a palindrome (474759957474).

The spelling of 252244515222 in words is "two hundred fifty-two billion, two hundred forty-four million, five hundred fifteen thousand, two hundred twenty-two".