6226661339 has 2 divisors, whose sum is σ = 6226661340. Its totient is φ = 6226661338.

The previous prime is 6226661327. The next prime is 6226661341. The reversal of 6226661339 is 9331666226.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6226661339 is a prime.

It is a super-2 number, since 2×6226661339² = 77542622861194545842, which contains 22 as substring.

Together with 6226661341, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6226661339.

It is not a weakly prime, because it can be changed into another prime (6226667339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113330669 + 3113330670.

It is an arithmetic number, because the mean of its divisors is an integer number (3113330670).

Almost surely, 2^6226661339 is an apocalyptic number.

6226661339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6226661339 is an equidigital number, since it uses as much as digits as its factorization.

6226661339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 44.

The square root of 6226661339 is about 78909.1967960643. The cubic root of 6226661339 is about 1839.7200797988.

The spelling of 6226661339 in words is "six billion, two hundred twenty-six million, six hundred sixty-one thousand, three hundred thirty-nine".