722263313 has 2 divisors, whose sum is σ = 722263314. Its totient is φ = 722263312.

The previous prime is 722263301. The next prime is 722263331. The reversal of 722263313 is 313362227.

Together with next prime (722263331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611424529 + 110838784 = 24727^2 + 10528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722263313 is a prime.

It is not a weakly prime, because it can be changed into another prime (722263393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361131656 + 361131657.

It is an arithmetic number, because the mean of its divisors is an integer number (361131657).

Almost surely, 2^722263313 is an apocalyptic number.

It is an amenable number.

722263313 is a deficient number, since it is larger than the sum of its proper divisors (1).

722263313 is an equidigital number, since it uses as much as digits as its factorization.

722263313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 29.

The square root of 722263313 is about 26874.9569860121. The cubic root of 722263313 is about 897.2191171067.

The spelling of 722263313 in words is "seven hundred twenty-two million, two hundred sixty-three thousand, three hundred thirteen".