422651252 has 12 divisors (see below), whose sum is σ = 741876576. Its totient is φ = 210686520.

The previous prime is 422651227. The next prime is 422651261. The reversal of 422651252 is 252156224.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 158288 + ... + 160935.

It is an arithmetic number, because the mean of its divisors is an integer number (61823048).

Almost surely, 2^422651252 is an apocalyptic number.

It is an amenable number.

422651252 is a deficient number, since it is larger than the sum of its proper divisors (319225324).

422651252 is a wasteful number, since it uses less digits than its factorization.

422651252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319558 (or 319556 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 422651252 is about 20558.4836989502. The cubic root of 422651252 is about 750.4597193384.

The spelling of 422651252 in words is "four hundred twenty-two million, six hundred fifty-one thousand, two hundred fifty-two".