252322242 has 16 divisors (see below), whose sum is σ = 531204960. Its totient is φ = 79680672.

The previous prime is 252322193. The next prime is 252322253. The reversal of 252322242 is 242223252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106563 + ... + 1106790.

It is an arithmetic number, because the mean of its divisors is an integer number (33200310).

Almost surely, 2^252322242 is an apocalyptic number.

252322242 is an abundant number, since it is smaller than the sum of its proper divisors (278882718).

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

252322242 is a wasteful number, since it uses less digits than its factorization.

252322242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213377.

The product of its digits is 3840, while the sum is 24.

The square root of 252322242 is about 15884.6542927443. The cubic root of 252322242 is about 631.9050774092.

Adding to 252322242 its reverse (242223252), we get a palindrome (494545494).

The spelling of 252322242 in words is "two hundred fifty-two million, three hundred twenty-two thousand, two hundred forty-two".