722195233 has 4 divisors (see below), whose sum is σ = 722842900. Its totient is φ = 721547568.

The previous prime is 722195219. The next prime is 722195261. The reversal of 722195233 is 332591227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26132544 + 696062689 = 5112^2 + 26383^2 .

It is a cyclic number.

It is not a de Polignac number, because 722195233 - 2⁹ = 722194721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722195203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322158 + ... + 324391.

It is an arithmetic number, because the mean of its divisors is an integer number (180710725).

Almost surely, 2^722195233 is an apocalyptic number.

It is an amenable number.

722195233 is a deficient number, since it is larger than the sum of its proper divisors (647667).

722195233 is a wasteful number, since it uses less digits than its factorization.

722195233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647666.

The product of its digits is 22680, while the sum is 34.

The square root of 722195233 is about 26873.6903494849. The cubic root of 722195233 is about 897.1909258198.

The spelling of 722195233 in words is "seven hundred twenty-two million, one hundred ninety-five thousand, two hundred thirty-three".