722296717 has 2 divisors, whose sum is σ = 722296718. Its totient is φ = 722296716.

The previous prime is 722296709. The next prime is 722296727. The reversal of 722296717 is 717692227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 586317796 + 135978921 = 24214^2 + 11661^2 .

It is a cyclic number.

It is not a de Polignac number, because 722296717 - 2³ = 722296709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722296727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361148358 + 361148359.

It is an arithmetic number, because the mean of its divisors is an integer number (361148359).

Almost surely, 2^722296717 is an apocalyptic number.

It is an amenable number.

722296717 is a deficient number, since it is larger than the sum of its proper divisors (1).

722296717 is an equidigital number, since it uses as much as digits as its factorization.

722296717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 43.

The square root of 722296717 is about 26875.5784495888. The cubic root of 722296717 is about 897.2329487407.

The spelling of 722296717 in words is "seven hundred twenty-two million, two hundred ninety-six thousand, seven hundred seventeen".