6644884223 has 2 divisors, whose sum is σ = 6644884224. Its totient is φ = 6644884222.

The previous prime is 6644884199. The next prime is 6644884271. The reversal of 6644884223 is 3224884466.

6644884223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6644884223 - 2⁶ = 6644884159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6644884273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3322442111 + 3322442112.

It is an arithmetic number, because the mean of its divisors is an integer number (3322442112).

Almost surely, 2^6644884223 is an apocalyptic number.

6644884223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6644884223 is an equidigital number, since it uses as much as digits as its factorization.

6644884223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1769472, while the sum is 47.

The square root of 6644884223 is about 81516.1592753241. The cubic root of 6644884223 is about 1880.0200147824.

The spelling of 6644884223 in words is "six billion, six hundred forty-four million, eight hundred eighty-four thousand, two hundred twenty-three".