6823222643 has 2 divisors, whose sum is σ = 6823222644. Its totient is φ = 6823222642.

The previous prime is 6823222579. The next prime is 6823222661. The reversal of 6823222643 is 3462223286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6823222643 - 2⁶ = 6823222579 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6823222597 and 6823222606.

It is not a weakly prime, because it can be changed into another prime (6825222643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411611321 + 3411611322.

It is an arithmetic number, because the mean of its divisors is an integer number (3411611322).

Almost surely, 2^6823222643 is an apocalyptic number.

6823222643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6823222643 is an equidigital number, since it uses as much as digits as its factorization.

6823222643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 38.

The square root of 6823222643 is about 82602.8004549483. The cubic root of 6823222643 is about 1896.6906976727.

The spelling of 6823222643 in words is "six billion, eight hundred twenty-three million, two hundred twenty-two thousand, six hundred forty-three".