6622556231 has 2 divisors, whose sum is σ = 6622556232. Its totient is φ = 6622556230.

The previous prime is 6622556219. The next prime is 6622556251. The reversal of 6622556231 is 1326552266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6622556231 - 2²² = 6618361927 is a prime.

It is a super-2 number, since 2×6622556231² = 87716502065513850722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6622556251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311278115 + 3311278116.

It is an arithmetic number, because the mean of its divisors is an integer number (3311278116).

Almost surely, 2^6622556231 is an apocalyptic number.

6622556231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622556231 is an equidigital number, since it uses as much as digits as its factorization.

6622556231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 6622556231 is about 81379.0896422416. The cubic root of 6622556231 is about 1877.9119180264.

The spelling of 6622556231 in words is "six billion, six hundred twenty-two million, five hundred fifty-six thousand, two hundred thirty-one".