722797 has 2 divisors, whose sum is σ = 722798. Its totient is φ = 722796.

The previous prime is 722791. The next prime is 722807. The reversal of 722797 is 797227.

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., 538756 + 184041 = 734^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 722797 - 2⁷ = 722669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361398 + 361399.

It is an arithmetic number, because the mean of its divisors is an integer number (361399).

2⁷²²⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

722797 is a deficient number, since it is larger than the sum of its proper divisors (1).

722797 is an equidigital number, since it uses as much as digits as its factorization.

722797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12348, while the sum is 34.

The square root of 722797 is about 850.1746879318. The cubic root of 722797 is about 89.7440050516.

The spelling of 722797 in words is "seven hundred twenty-two thousand, seven hundred ninety-seven".