252313122222 has 96 divisors (see below), whose sum is σ = 662088053952. Its totient is φ = 67791347712.

The previous prime is 252313122221. The next prime is 252313122253. The reversal of 252313122222 is 222221313252.

252313122222 is a `hidden beast` number, since 2 + 5 + 2 + 313 + 122 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252313122221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2506038 + ... + 2604774.

It is an arithmetic number, because the mean of its divisors is an integer number (6896750562).

Almost surely, 2^252313122222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252313122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331044026976).

252313122222 is an abundant number, since it is smaller than the sum of its proper divisors (409774931730).

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

252313122222 is a wasteful number, since it uses less digits than its factorization.

252313122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99962 (or 99959 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 252313122222 its reverse (222221313252), we get a palindrome (474534435474).

The spelling of 252313122222 in words is "two hundred fifty-two billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-two".