252310422 has 64 divisors (see below), whose sum is σ = 632862720. Its totient is φ = 65280384.

The previous prime is 252310393. The next prime is 252310441. The reversal of 252310422 is 224013252.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24579 + ... + 33297.

It is an arithmetic number, because the mean of its divisors is an integer number (9888480).

Almost surely, 2^252310422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252310422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316431360).

252310422 is an abundant number, since it is smaller than the sum of its proper divisors (380552298).

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

252310422 is a wasteful number, since it uses less digits than its factorization.

252310422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 252310422 is about 15884.2822311869. The cubic root of 252310422 is about 631.8952100870.

Adding to 252310422 its reverse (224013252), we get a palindrome (476323674).

The spelling of 252310422 in words is "two hundred fifty-two million, three hundred ten thousand, four hundred twenty-two".