722233 has 4 divisors (see below), whose sum is σ = 727168. Its totient is φ = 717300.

The previous prime is 722213. The next prime is 722237. The reversal of 722233 is 332227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 722233 - 2¹⁷ = 591161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722233.

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, 2241 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (181792).

2⁷²²²³³ is an apocalyptic number.

It is an amenable number.

722233 is a deficient number, since it is larger than the sum of its proper divisors (4935).

722233 is a wasteful number, since it uses less digits than its factorization.

722233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934.

The product of its digits is 504, while the sum is 19.

The square root of 722233 is about 849.8429266635. The cubic root of 722233 is about 89.7206564998.

The spelling of 722233 in words is "seven hundred twenty-two thousand, two hundred thirty-three".