6226945919 has 2 divisors, whose sum is σ = 6226945920. Its totient is φ = 6226945918.

The previous prime is 6226945903. The next prime is 6226945931. The reversal of 6226945919 is 9195496226.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6226945919 - 2⁴ = 6226945903 is a prime.

It is a super-2 number, since 2×6226945919² = 77549710956301509122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6226945939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113472959 + 3113472960.

It is an arithmetic number, because the mean of its divisors is an integer number (3113472960).

Almost surely, 2^6226945919 is an apocalyptic number.

6226945919 is a deficient number, since it is larger than the sum of its proper divisors (1).

6226945919 is an equidigital number, since it uses as much as digits as its factorization.

6226945919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 53.

The square root of 6226945919 is about 78910.9999873275. Note that the first 4 decimals coincide. The cubic root of 6226945919 is about 1839.7481065661.

The spelling of 6226945919 in words is "six billion, two hundred twenty-six million, nine hundred forty-five thousand, nine hundred nineteen".