6226945931 has 2 divisors, whose sum is σ = 6226945932. Its totient is φ = 6226945930.

The previous prime is 6226945919. The next prime is 6226945937. The reversal of 6226945931 is 1395496226.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6226945931 - 2²² = 6222751627 is a prime.

It is a super-4 number, since 4×6226945931⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (6226945937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113472965 + 3113472966.

It is an arithmetic number, because the mean of its divisors is an integer number (3113472966).

Almost surely, 2^6226945931 is an apocalyptic number.

6226945931 is a deficient number, since it is larger than the sum of its proper divisors (1).

6226945931 is an equidigital number, since it uses as much as digits as its factorization.

6226945931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 6226945931 is about 78911.0000633625. Note that the first 4 decimals coincide. The cubic root of 6226945931 is about 1839.7481077479.

The spelling of 6226945931 in words is "six billion, two hundred twenty-six million, nine hundred forty-five thousand, nine hundred thirty-one".