6220217 has 2 divisors, whose sum is σ = 6220218. Its totient is φ = 6220216.

The previous prime is 6220199. The next prime is 6220229. The reversal of 6220217 is 7120226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5837056 + 383161 = 2416^2 + 619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6220217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6220237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110108 + 3110109.

It is an arithmetic number, because the mean of its divisors is an integer number (3110109).

Almost surely, 2^6220217 is an apocalyptic number.

It is an amenable number.

6220217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220217 is an equidigital number, since it uses as much as digits as its factorization.

6220217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 6220217 is about 2494.0362868250. The cubic root of 6220217 is about 183.9085182452.

Subtracting 6220217 from its reverse (7120226), we obtain a palindrome (900009).

The spelling of 6220217 in words is "six million, two hundred twenty thousand, two hundred seventeen".