722683417 has 2 divisors, whose sum is σ = 722683418. Its totient is φ = 722683416.

The previous prime is 722683363. The next prime is 722683427. The reversal of 722683417 is 714386227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641304976 + 81378441 = 25324^2 + 9021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722683417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722683417.

It is not a weakly prime, because it can be changed into another prime (722683427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361341708 + 361341709.

It is an arithmetic number, because the mean of its divisors is an integer number (361341709).

Almost surely, 2^722683417 is an apocalyptic number.

It is an amenable number.

722683417 is a deficient number, since it is larger than the sum of its proper divisors (1).

722683417 is an equidigital number, since it uses as much as digits as its factorization.

722683417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 722683417 is about 26882.7717506956. The cubic root of 722683417 is about 897.3930390349.

The spelling of 722683417 in words is "seven hundred twenty-two million, six hundred eighty-three thousand, four hundred seventeen".