6423222656 has 16 divisors (see below), whose sum is σ = 12796264140. Its totient is φ = 3211611264.

The previous prime is 6423222601. The next prime is 6423222671. The reversal of 6423222656 is 6562223246.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

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, 25090586 + ... + 25090841.

Almost surely, 2^6423222656 is an apocalyptic number.

It is an amenable number.

6423222656 is a deficient number, since it is larger than the sum of its proper divisors (6373041484).

6423222656 is an equidigital number, since it uses as much as digits as its factorization.

6423222656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50181441 (or 50181429 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 6423222656 is about 80145.0101753066. The cubic root of 6423222656 is about 1858.8784482261.

The spelling of 6423222656 in words is "six billion, four hundred twenty-three million, two hundred twenty-two thousand, six hundred fifty-six".