252270522 has 72 divisors (see below), whose sum is σ = 639112500. Its totient is φ = 71705088.

The previous prime is 252270521. The next prime is 252270527. The reversal of 252270522 is 225072252.

It can be written as a sum of positive squares in 2 ways, for example, as 240839361 + 11431161 = 15519^2 + 3381^2 .

It is not an unprimeable number, because it can be changed into a prime (252270521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 201354 + ... + 202602.

Almost surely, 2^252270522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252270522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319556250).

252270522 is an abundant number, since it is smaller than the sum of its proper divisors (386841978).

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

252270522 is a wasteful number, since it uses less digits than its factorization.

252270522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 252270522 is about 15883.0262229841. The cubic root of 252270522 is about 631.8618993371.

The spelling of 252270522 in words is "two hundred fifty-two million, two hundred seventy thousand, five hundred twenty-two".