722207 has 4 divisors (see below), whose sum is σ = 745536. Its totient is φ = 698880.

The previous prime is 722173. The next prime is 722213. The reversal of 722207 is 702227.

722207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722207 - 2⁸ = 721951 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11618 + ... + 11679.

It is an arithmetic number, because the mean of its divisors is an integer number (186384).

2⁷²²²⁰⁷ is an apocalyptic number.

722207 is a deficient number, since it is larger than the sum of its proper divisors (23329).

722207 is a wasteful number, since it uses less digits than its factorization.

722207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23328.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 722207 is about 849.8276295814. The cubic root of 722207 is about 89.7195798550.

Adding to 722207 its sum of digits (20), we get a palindrome (722227).

It can be divided in two parts, 72220 and 7, that added together give a palindrome (72227).

The spelling of 722207 in words is "seven hundred twenty-two thousand, two hundred seven", and thus it is an iban number.