99092209 has 2 divisors, whose sum is σ = 99092210. Its totient is φ = 99092208.

The previous prime is 99092177. The next prime is 99092219. The reversal of 99092209 is 90229099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83905600 + 15186609 = 9160^2 + 3897^2 .

It is a cyclic number.

It is not a de Polignac number, because 99092209 - 2⁵ = 99092177 is a prime.

It is not a weakly prime, because it can be changed into another prime (99092219) 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, 49546104 + 49546105.

It is an arithmetic number, because the mean of its divisors is an integer number (49546105).

Almost surely, 2^99092209 is an apocalyptic number.

It is an amenable number.

99092209 is a deficient number, since it is larger than the sum of its proper divisors (1).

99092209 is an equidigital number, since it uses as much as digits as its factorization.

99092209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 99092209 is about 9954.5069692075. The cubic root of 99092209 is about 462.7500808719.

The spelling of 99092209 in words is "ninety-nine million, ninety-two thousand, two hundred nine".