6622199 has 2 divisors, whose sum is σ = 6622200. Its totient is φ = 6622198.

The previous prime is 6622193. The next prime is 6622211. The reversal of 6622199 is 9912266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6622199 - 2⁸ = 6621943 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 (6622193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311099 + 3311100.

It is an arithmetic number, because the mean of its divisors is an integer number (3311100).

Almost surely, 2^6622199 is an apocalyptic number.

6622199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622199 is an equidigital number, since it uses as much as digits as its factorization.

6622199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 6622199 is about 2573.3633633826. The cubic root of 6622199 is about 187.7878151588.

The spelling of 6622199 in words is "six million, six hundred twenty-two thousand, one hundred ninety-nine".