9922442209 has 2 divisors, whose sum is σ = 9922442210. Its totient is φ = 9922442208.

The previous prime is 9922442183. The next prime is 9922442227. The reversal of 9922442209 is 9022442299.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7507702609 + 2414739600 = 86647^2 + 49140^2 .

It is a cyclic number.

It is not a de Polignac number, because 9922442209 - 2¹³ = 9922434017 is a prime.

It is not a weakly prime, because it can be changed into another prime (9922442269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961221104 + 4961221105.

It is an arithmetic number, because the mean of its divisors is an integer number (4961221105).

Almost surely, 2^9922442209 is an apocalyptic number.

It is an amenable number.

9922442209 is a deficient number, since it is larger than the sum of its proper divisors (1).

9922442209 is an equidigital number, since it uses as much as digits as its factorization.

9922442209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 9922442209 is about 99611.4562136304. The cubic root of 9922442209 is about 2148.8504551754.

The spelling of 9922442209 in words is "nine billion, nine hundred twenty-two million, four hundred forty-two thousand, two hundred nine".