252893224 has 64 divisors (see below), whose sum is σ = 533725200. Its totient is φ = 111734784.

The previous prime is 252893219. The next prime is 252893239. The reversal of 252893224 is 422398252.

It can be written as a sum of positive squares in 8 ways, for example, as 209728324 + 43164900 = 14482^2 + 6570^2 .

It is a super-2 number, since 2×252893224² = 127909965490228352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 145062 + ... + 146794.

Almost surely, 2^252893224 is an apocalyptic number.

It is an amenable number.

252893224 is an abundant number, since it is smaller than the sum of its proper divisors (280831976).

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

252893224 is a wasteful number, since it uses less digits than its factorization.

252893224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1818 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 252893224 is about 15902.6168915685. The cubic root of 252893224 is about 632.3813659922.

The spelling of 252893224 in words is "two hundred fifty-two million, eight hundred ninety-three thousand, two hundred twenty-four".