252422118 has 60 divisors (see below), whose sum is σ = 593695908. Its totient is φ = 77510160.

The previous prime is 252422077. The next prime is 252422123. The reversal of 252422118 is 811224252.

252422118 is a `hidden beast` number, since 2 + 524 + 22 + 118 = 666.

252422118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252422091 and 252422100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 513853 + ... + 514343.

Almost surely, 2^252422118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252422118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296847954).

252422118 is an abundant number, since it is smaller than the sum of its proper divisors (341273790).

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

252422118 is an equidigital number, since it uses as much as digits as its factorization.

252422118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 509 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 252422118 is about 15887.7977706163. The cubic root of 252422118 is about 631.9884414780.

It can be divided in two parts, 2524 and 22118, that added together give a palindrome (24642).

The spelling of 252422118 in words is "two hundred fifty-two million, four hundred twenty-two thousand, one hundred eighteen".