6220817 has 2 divisors, whose sum is σ = 6220818. Its totient is φ = 6220816.

The previous prime is 6220813. The next prime is 6220829. The reversal of 6220817 is 7180226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4946176 + 1274641 = 2224^2 + 1129^2 .

It is a cyclic number.

It is not a de Polignac number, because 6220817 - 2² = 6220813 is a prime.

It is not a weakly prime, because it can be changed into another prime (6220813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110408 + 3110409.

It is an arithmetic number, because the mean of its divisors is an integer number (3110409).

Almost surely, 2^6220817 is an apocalyptic number.

It is an amenable number.

6220817 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220817 is an equidigital number, since it uses as much as digits as its factorization.

6220817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 6220817 is about 2494.1565708672. The cubic root of 6220817 is about 183.9144313059.

The spelling of 6220817 in words is "six million, two hundred twenty thousand, eight hundred seventeen".