722259 has 6 divisors (see below), whose sum is σ = 1043276. Its totient is φ = 481500.

The previous prime is 722257. The next prime is 722273. The reversal of 722259 is 952227.

It is a happy number.

It is not a de Polignac number, because 722259 - 2¹ = 722257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40117 + ... + 40134.

2⁷²²²⁵⁹ is an apocalyptic number.

722259 is a deficient number, since it is larger than the sum of its proper divisors (321017).

722259 is a wasteful number, since it uses less digits than its factorization.

722259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80257 (or 80254 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 722259 is about 849.8582234702. The cubic root of 722259 is about 89.7217331187.

The spelling of 722259 in words is "seven hundred twenty-two thousand, two hundred fifty-nine".