722356 has 12 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 359480.

The previous prime is 722353. The next prime is 722363. The reversal of 722356 is 653227.

It is a self number, because there is not a number n which added to its sum of digits gives 722356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722353) 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, 1461 + ... + 1891.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2⁷²²³⁵⁶ is an apocalyptic number.

It is an amenable number.

722356 is a deficient number, since it is larger than the sum of its proper divisors (547724).

722356 is a wasteful number, since it uses less digits than its factorization.

722356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 852 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 722356 is about 849.9152898966. The cubic root of 722356 is about 89.7257495073.

The spelling of 722356 in words is "seven hundred twenty-two thousand, three hundred fifty-six".