6224861 has 2 divisors, whose sum is σ = 6224862. Its totient is φ = 6224860.

The previous prime is 6224851. The next prime is 6224891. The reversal of 6224861 is 1684226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3880900 + 2343961 = 1970^2 + 1531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6224861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6224851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3112430 + 3112431.

It is an arithmetic number, because the mean of its divisors is an integer number (3112431).

Almost surely, 2^6224861 is an apocalyptic number.

It is an amenable number.

6224861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6224861 is an equidigital number, since it uses as much as digits as its factorization.

6224861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 6224861 is about 2494.9671340521. The cubic root of 6224861 is about 183.9542754215.

The spelling of 6224861 in words is "six million, two hundred twenty-four thousand, eight hundred sixty-one".