6224891 has 2 divisors, whose sum is σ = 6224892. Its totient is φ = 6224890.

The previous prime is 6224861. The next prime is 6224909. The reversal of 6224891 is 1984226.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6224891 is a prime.

It is not a weakly prime, because it can be changed into another prime (6224851) 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, 3112445 + 3112446.

It is an arithmetic number, because the mean of its divisors is an integer number (3112446).

Almost surely, 2^6224891 is an apocalyptic number.

6224891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6224891 is an equidigital number, since it uses as much as digits as its factorization.

6224891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 6224891 is about 2494.9731461481. The cubic root of 6224891 is about 183.9545709365.

The spelling of 6224891 in words is "six million, two hundred twenty-four thousand, eight hundred ninety-one".