722599 has 2 divisors, whose sum is σ = 722600. Its totient is φ = 722598.

The previous prime is 722581. The next prime is 722611. The reversal of 722599 is 995227.

722599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (995227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722599 - 2¹⁵ = 689831 is a prime.

722599 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361299 + 361300.

It is an arithmetic number, because the mean of its divisors is an integer number (361300).

2⁷²²⁵⁹⁹ is an apocalyptic number.

722599 is a deficient number, since it is larger than the sum of its proper divisors (1).

722599 is an equidigital number, since it uses as much as digits as its factorization.

722599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 722599 is about 850.0582332993. The cubic root of 722599 is about 89.7358096036.

The spelling of 722599 in words is "seven hundred twenty-two thousand, five hundred ninety-nine".