252227892 has 72 divisors (see below), whose sum is σ = 687748320. Its totient is φ = 71736000.

The previous prime is 252227887. The next prime is 252227893. The reversal of 252227892 is 298722252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252227892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252227893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146734 + ... + 148442.

It is an arithmetic number, because the mean of its divisors is an integer number (9552060).

Almost surely, 2^252227892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252227892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343874160).

252227892 is an abundant number, since it is smaller than the sum of its proper divisors (435520428).

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

252227892 is a wasteful number, since it uses less digits than its factorization.

252227892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1972 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 252227892 is about 15881.6841676190. The cubic root of 252227892 is about 631.8263055495.

The spelling of 252227892 in words is "two hundred fifty-two million, two hundred twenty-seven thousand, eight hundred ninety-two".