6222217 has 2 divisors, whose sum is σ = 6222218. Its totient is φ = 6222216.

The previous prime is 6222197. The next prime is 6222233. The reversal of 6222217 is 7122226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 2157961 = 2016^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 6222217 - 2¹¹ = 6220169 is a prime.

It is not a weakly prime, because it can be changed into another prime (6222287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111108 + 3111109.

It is an arithmetic number, because the mean of its divisors is an integer number (3111109).

Almost surely, 2^6222217 is an apocalyptic number.

It is an amenable number.

6222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6222217 is an equidigital number, since it uses as much as digits as its factorization.

6222217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 6222217 is about 2494.4372110759. The cubic root of 6222217 is about 183.9282269693.

Subtracting 6222217 from its reverse (7122226), we obtain a palindrome (900009).

The spelling of 6222217 in words is "six million, two hundred twenty-two thousand, two hundred seventeen".