722833 has 2 divisors, whose sum is σ = 722834. Its totient is φ = 722832.

The previous prime is 722819. The next prime is 722849. The reversal of 722833 is 338227.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685584 + 37249 = 828^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 722833 - 2⁹ = 722321 is a prime.

722833 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 722798 and 722807.

It is not a weakly prime, because it can be changed into another prime (722333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361416 + 361417.

It is an arithmetic number, because the mean of its divisors is an integer number (361417).

2⁷²²⁸³³ is an apocalyptic number.

It is an amenable number.

722833 is a deficient number, since it is larger than the sum of its proper divisors (1).

722833 is an equidigital number, since it uses as much as digits as its factorization.

722833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 722833 is about 850.1958597876. The cubic root of 722833 is about 89.7454949723.

The spelling of 722833 in words is "seven hundred twenty-two thousand, eight hundred thirty-three".