6722455633 has 4 divisors (see below), whose sum is σ = 6722829988. Its totient is φ = 6722081280.

The previous prime is 6722455627. The next prime is 6722455703. The reversal of 6722455633 is 3365542276.

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 6637686784 + 84768849 = 81472^2 + 9207^2 .

It is a cyclic number.

It is not a de Polignac number, because 6722455633 - 2²⁵ = 6688901201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6722455633.

It is not an unprimeable number, because it can be changed into a prime (6722455613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158808 + ... + 196633.

It is an arithmetic number, because the mean of its divisors is an integer number (1680707497).

Almost surely, 2^6722455633 is an apocalyptic number.

It is an amenable number.

6722455633 is a deficient number, since it is larger than the sum of its proper divisors (374355).

6722455633 is a wasteful number, since it uses less digits than its factorization.

6722455633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374354.

The product of its digits is 907200, while the sum is 43.

The square root of 6722455633 is about 81990.5825872704. The cubic root of 6722455633 is about 1887.3074237572.

The spelling of 6722455633 in words is "six billion, seven hundred twenty-two million, four hundred fifty-five thousand, six hundred thirty-three".