8222213 has 2 divisors, whose sum is σ = 8222214. Its totient is φ = 8222212.

The previous prime is 8222183. The next prime is 8222239. The reversal of 8222213 is 3122228.

8222213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7579009 + 643204 = 2753^2 + 802^2 .

It is a cyclic number.

It is not a de Polignac number, because 8222213 - 2¹⁴ = 8205829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8222243) 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, 4111106 + 4111107.

It is an arithmetic number, because the mean of its divisors is an integer number (4111107).

Almost surely, 2^8222213 is an apocalyptic number.

It is an amenable number.

8222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222213 is an equidigital number, since it uses as much as digits as its factorization.

8222213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 8222213 is about 2867.4401475881. The cubic root of 8222213 is about 201.8348894229.

The spelling of 8222213 in words is "eight million, two hundred twenty-two thousand, two hundred thirteen".