252422446 has 4 divisors (see below), whose sum is σ = 378633672. Its totient is φ = 126211222.

The previous prime is 252422441. The next prime is 252422497. The reversal of 252422446 is 644224252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252422441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63105610 + ... + 63105613.

It is an arithmetic number, because the mean of its divisors is an integer number (94658418).

Almost surely, 2^252422446 is an apocalyptic number.

252422446 is a deficient number, since it is larger than the sum of its proper divisors (126211226).

252422446 is a wasteful number, since it uses less digits than its factorization.

252422446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126211225.

The product of its digits is 30720, while the sum is 31.

The square root of 252422446 is about 15887.8080930001. The cubic root of 252422446 is about 631.9887152154.

Adding to 252422446 its reverse (644224252), we get a palindrome (896646698).

The spelling of 252422446 in words is "two hundred fifty-two million, four hundred twenty-two thousand, four hundred forty-six".