252244522 has 8 divisors (see below), whose sum is σ = 378523872. Its totient is φ = 126069900.

The previous prime is 252244507. The next prime is 252244547. The reversal of 252244522 is 225442252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19854 + ... + 29977.

It is an arithmetic number, because the mean of its divisors is an integer number (47315484).

Almost surely, 2^252244522 is an apocalyptic number.

252244522 is a deficient number, since it is larger than the sum of its proper divisors (126279350).

252244522 is a wasteful number, since it uses less digits than its factorization.

252244522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52364.

The product of its digits is 12800, while the sum is 28.

The square root of 252244522 is about 15882.2077180724. The cubic root of 252244522 is about 631.8401911940.

Adding to 252244522 its reverse (225442252), we get a palindrome (477686774).

The spelling of 252244522 in words is "two hundred fifty-two million, two hundred forty-four thousand, five hundred twenty-two".