252422 has 4 divisors (see below), whose sum is σ = 378636. Its totient is φ = 126210.

The previous prime is 252419. The next prime is 252431. The reversal of 252422 is 224252.

252422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 252422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63104 + ... + 63107.

It is an arithmetic number, because the mean of its divisors is an integer number (94659).

2²⁵²⁴²² is an apocalyptic number.

252422 is a deficient number, since it is larger than the sum of its proper divisors (126214).

252422 is a wasteful number, since it uses less digits than its factorization.

252422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126213.

The product of its digits is 320, while the sum is 17.

The square root of 252422 is about 502.4161621604. The cubic root of 252422 is about 63.1988342999.

Subtracting from 252422 its sum of digits (17), we obtain a triangular number (252405 = T₇₁₀).

Adding to 252422 its reverse (224252), we get a palindrome (476674).

The spelling of 252422 in words is "two hundred fifty-two thousand, four hundred twenty-two".