722099 has 8 divisors (see below), whose sum is σ = 844800. Its totient is φ = 604296.

The previous prime is 722093. The next prime is 722119. The reversal of 722099 is 990227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722099 - 2⁸ = 721843 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722099.

It is not an unprimeable number, because it can be changed into a prime (722093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (105600).

2⁷²²⁰⁹⁹ is an apocalyptic number.

722099 is a deficient number, since it is larger than the sum of its proper divisors (122701).

722099 is a wasteful number, since it uses less digits than its factorization.

722099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 722099 is about 849.7640849083. The cubic root of 722099 is about 89.7151073618.

The spelling of 722099 in words is "seven hundred twenty-two thousand, ninety-nine".