722143852 has 12 divisors (see below), whose sum is σ = 1264056640. Its totient is φ = 360984816.

The previous prime is 722143831. The next prime is 722143859. The reversal of 722143852 is 258341227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (722143859) by changing a digit.

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, 903 + ... + 38014.

Almost surely, 2^722143852 is an apocalyptic number.

It is an amenable number.

722143852 is a deficient number, since it is larger than the sum of its proper divisors (541912788).

722143852 is a wasteful number, since it uses less digits than its factorization.

722143852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43560 (or 43558 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 722143852 is about 26872.7343603140. The cubic root of 722143852 is about 897.1696482584.

The spelling of 722143852 in words is "seven hundred twenty-two million, one hundred forty-three thousand, eight hundred fifty-two".