8922222209 has 2 divisors, whose sum is σ = 8922222210. Its totient is φ = 8922222208.

The previous prime is 8922222187. The next prime is 8922222227. The reversal of 8922222209 is 9022222298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7762138609 + 1160083600 = 88103^2 + 34060^2 .

It is a cyclic number.

It is not a de Polignac number, because 8922222209 - 2⁸ = 8922221953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8922222259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4461111104 + 4461111105.

It is an arithmetic number, because the mean of its divisors is an integer number (4461111105).

Almost surely, 2^8922222209 is an apocalyptic number.

It is an amenable number.

8922222209 is a deficient number, since it is larger than the sum of its proper divisors (1).

8922222209 is an equidigital number, since it uses as much as digits as its factorization.

8922222209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8922222209 is about 94457.5153653747. The cubic root of 8922222209 is about 2074.0744667254.

The spelling of 8922222209 in words is "eight billion, nine hundred twenty-two million, two hundred twenty-two thousand, two hundred nine".