423224252 has 12 divisors (see below), whose sum is σ = 807973656. Its totient is φ = 192374640.

The previous prime is 423224233. The next prime is 423224261. The reversal of 423224252 is 252422324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809323 + ... + 4809410.

It is an arithmetic number, because the mean of its divisors is an integer number (67331138).

Almost surely, 2^423224252 is an apocalyptic number.

It is an amenable number.

423224252 is a deficient number, since it is larger than the sum of its proper divisors (384749404).

423224252 is a wasteful number, since it uses less digits than its factorization.

423224252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618748 (or 9618746 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 423224252 is about 20572.4148315165. The cubic root of 423224252 is about 750.7987058641.

Adding to 423224252 its reverse (252422324), we get a palindrome (675646576).

The spelling of 423224252 in words is "four hundred twenty-three million, two hundred twenty-four thousand, two hundred fifty-two".