8218207 has 2 divisors, whose sum is σ = 8218208. Its totient is φ = 8218206.

The previous prime is 8218201. The next prime is 8218229. The reversal of 8218207 is 7028128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8218207 - 2¹⁹ = 7693919 is a prime.

It is a Chen prime.

It is equal to p₅₅₃₄₈₃ and since 8218207 and 553483 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8218201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4109103 + 4109104.

It is an arithmetic number, because the mean of its divisors is an integer number (4109104).

Almost surely, 2^8218207 is an apocalyptic number.

8218207 is a deficient number, since it is larger than the sum of its proper divisors (1).

8218207 is an equidigital number, since it uses as much as digits as its factorization.

8218207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 8218207 is about 2866.7415300302. The cubic root of 8218207 is about 201.8021049841.

The spelling of 8218207 in words is "eight million, two hundred eighteen thousand, two hundred seven".