8222369 has 2 divisors, whose sum is σ = 8222370. Its totient is φ = 8222368.

The previous prime is 8222363. The next prime is 8222377. The reversal of 8222369 is 9632228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8196769 + 25600 = 2863^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 8222369 - 2⁴ = 8222353 is a prime.

It is a super-2 number, since 2×8222369² = 135214703944322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8222363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111184 + 4111185.

It is an arithmetic number, because the mean of its divisors is an integer number (4111185).

Almost surely, 2^8222369 is an apocalyptic number.

It is an amenable number.

8222369 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222369 is an equidigital number, since it uses as much as digits as its factorization.

8222369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 8222369 is about 2867.4673494218. The cubic root of 8222369 is about 201.8361658855.

The spelling of 8222369 in words is "eight million, two hundred twenty-two thousand, three hundred sixty-nine".