6228809 has 2 divisors, whose sum is σ = 6228810. Its totient is φ = 6228808.

The previous prime is 6228797. The next prime is 6228821. The reversal of 6228809 is 9088226.

It is a balanced prime because it is at equal distance from previous prime (6228797) and next prime (6228821).

It can be written as a sum of positive squares in only one way, i.e., 6017209 + 211600 = 2453^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 6228809 - 2⁴ = 6228793 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6228829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114404 + 3114405.

It is an arithmetic number, because the mean of its divisors is an integer number (3114405).

Almost surely, 2^6228809 is an apocalyptic number.

It is an amenable number.

6228809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6228809 is an equidigital number, since it uses as much as digits as its factorization.

6228809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 6228809 is about 2495.7582014290. The cubic root of 6228809 is about 183.9931570391.

The spelling of 6228809 in words is "six million, two hundred twenty-eight thousand, eight hundred nine".