722500193 has 2 divisors, whose sum is σ = 722500194. Its totient is φ = 722500192.

The previous prime is 722500169. The next prime is 722500201. The reversal of 722500193 is 391005227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518381824 + 204118369 = 22768^2 + 14287^2 .

It is a cyclic number.

It is not a de Polignac number, because 722500193 - 2⁸ = 722499937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (722500133) 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, 361250096 + 361250097.

It is an arithmetic number, because the mean of its divisors is an integer number (361250097).

Almost surely, 2^722500193 is an apocalyptic number.

It is an amenable number.

722500193 is a deficient number, since it is larger than the sum of its proper divisors (1).

722500193 is an equidigital number, since it uses as much as digits as its factorization.

722500193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 722500193 is about 26879.3637015462. The cubic root of 722500193 is about 897.3171930808.

The spelling of 722500193 in words is "seven hundred twenty-two million, five hundred thousand, one hundred ninety-three".