8222999 has 2 divisors, whose sum is σ = 8223000. Its totient is φ = 8222998.

The previous prime is 8222989. The next prime is 8223013. The reversal of 8222999 is 9992228.

It is a happy number.

8222999 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8222999 - 2¹⁶ = 8157463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8222959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111499 + 4111500.

It is an arithmetic number, because the mean of its divisors is an integer number (4111500).

Almost surely, 2^8222999 is an apocalyptic number.

8222999 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222999 is an equidigital number, since it uses as much as digits as its factorization.

8222999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 8222999 is about 2867.5772003557. The cubic root of 8222999 is about 201.8413206666.

It can be divided in two parts, 82229 and 99, that added together give a palindrome (82328).

The spelling of 8222999 in words is "eight million, two hundred twenty-two thousand, nine hundred ninety-nine".