252225532 has 48 divisors (see below), whose sum is σ = 529835040. Its totient is φ = 103790592.

The previous prime is 252225509. The next prime is 252225577. The reversal of 252225532 is 235522252.

It is a self number, because there is not a number n which added to its sum of digits gives 252225532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9288 + ... + 24304.

It is an arithmetic number, because the mean of its divisors is an integer number (11038230).

Almost surely, 2^252225532 is an apocalyptic number.

It is an amenable number.

252225532 is an abundant number, since it is smaller than the sum of its proper divisors (277609508).

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

252225532 is a wasteful number, since it uses less digits than its factorization.

252225532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070 (or 15068 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 252225532 is about 15881.6098680203. The cubic root of 252225532 is about 631.8243349576.

Adding to 252225532 its reverse (235522252), we get a palindrome (487747784).

The spelling of 252225532 in words is "two hundred fifty-two million, two hundred twenty-five thousand, five hundred thirty-two".