722142938 has 8 divisors (see below), whose sum is σ = 1181688480. Its totient is φ = 328246780.

The previous prime is 722142931. The next prime is 722142943. The reversal of 722142938 is 839241227.

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

It is not an unprimeable number, because it can be changed into a prime (722142931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16412318 + ... + 16412361.

It is an arithmetic number, because the mean of its divisors is an integer number (147711060).

Almost surely, 2^722142938 is an apocalyptic number.

722142938 is a deficient number, since it is larger than the sum of its proper divisors (459545542).

722142938 is a wasteful number, since it uses less digits than its factorization.

722142938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32824692.

The product of its digits is 48384, while the sum is 38.

The square root of 722142938 is about 26872.7173542238. The cubic root of 722142938 is about 897.1692697496.

The spelling of 722142938 in words is "seven hundred twenty-two million, one hundred forty-two thousand, nine hundred thirty-eight".