722235 has 16 divisors (see below), whose sum is σ = 1170720. Its totient is φ = 380160.

The previous prime is 722213. The next prime is 722237. The reversal of 722235 is 532227.

722235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722235 - 2⁸ = 721979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (73170).

2⁷²²²³⁵ is an apocalyptic number.

722235 is a deficient number, since it is larger than the sum of its proper divisors (448485).

722235 is a wasteful number, since it uses less digits than its factorization.

722235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its digits is 840, while the sum is 21.

The square root of 722235 is about 849.8441033507. The cubic root of 722235 is about 89.7207393175.

The spelling of 722235 in words is "seven hundred twenty-two thousand, two hundred thirty-five".