252425224 has 32 divisors (see below), whose sum is σ = 481219200. Its totient is φ = 124113600.

The previous prime is 252425213. The next prime is 252425267. The reversal of 252425224 is 422524252.

It is a super-2 number, since 2×252425224² = 127436987422900352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252425192 and 252425201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193374 + ... + 194674.

It is an arithmetic number, because the mean of its divisors is an integer number (15038100).

Almost surely, 2^252425224 is an apocalyptic number.

It is an amenable number.

252425224 is a deficient number, since it is larger than the sum of its proper divisors (228793976).

252425224 is a wasteful number, since it uses less digits than its factorization.

252425224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1689 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 252425224 is about 15887.8955182869. The cubic root of 252425224 is about 631.9910336281.

Adding to 252425224 its reverse (422524252), we get a palindrome (674949476).

The spelling of 252425224 in words is "two hundred fifty-two million, four hundred twenty-five thousand, two hundred twenty-four".