99922219 has 2 divisors, whose sum is σ = 99922220. Its totient is φ = 99922218.

The previous prime is 99922187. The next prime is 99922241. The reversal of 99922219 is 91222999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99922219 - 2⁵ = 99922187 is a prime.

It is a super-2 number, since 2×99922219² = 19968899699767922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99925219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49961109 + 49961110.

It is an arithmetic number, because the mean of its divisors is an integer number (49961110).

Almost surely, 2^99922219 is an apocalyptic number.

99922219 is a deficient number, since it is larger than the sum of its proper divisors (1).

99922219 is an equidigital number, since it uses as much as digits as its factorization.

99922219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 43.

The square root of 99922219 is about 9996.1101934703. The cubic root of 99922219 is about 464.0385096729.

The spelling of 99922219 in words is "ninety-nine million, nine hundred twenty-two thousand, two hundred nineteen".