722428234 has 16 divisors (see below), whose sum is σ = 1184224896. Its totient is φ = 327801600.

The previous prime is 722428199. The next prime is 722428303. The reversal of 722428234 is 432824227.

It is a self number, because there is not a number n which added to its sum of digits gives 722428234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15762 + ... + 41149.

It is an arithmetic number, because the mean of its divisors is an integer number (74014056).

Almost surely, 2^722428234 is an apocalyptic number.

722428234 is a deficient number, since it is larger than the sum of its proper divisors (461796662).

722428234 is a wasteful number, since it uses less digits than its factorization.

722428234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57501.

The product of its digits is 43008, while the sum is 34.

The square root of 722428234 is about 26878.0251134640. The cubic root of 722428234 is about 897.2874019969.

The spelling of 722428234 in words is "seven hundred twenty-two million, four hundred twenty-eight thousand, two hundred thirty-four".