99448229 has 2 divisors, whose sum is σ = 99448230. Its totient is φ = 99448228.

The previous prime is 99448211. The next prime is 99448231. The reversal of 99448229 is 92284499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50027329 + 49420900 = 7073^2 + 7030^2 .

It is an emirp because it is prime and its reverse (92284499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99448229 - 2²⁴ = 82671013 is a prime.

It is a Sophie Germain prime.

Together with 99448231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99448529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49724114 + 49724115.

It is an arithmetic number, because the mean of its divisors is an integer number (49724115).

Almost surely, 2^99448229 is an apocalyptic number.

It is an amenable number.

99448229 is a deficient number, since it is larger than the sum of its proper divisors (1).

99448229 is an equidigital number, since it uses as much as digits as its factorization.

99448229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 99448229 is about 9972.3732882399. The cubic root of 99448229 is about 463.3036103402.

The spelling of 99448229 in words is "ninety-nine million, four hundred forty-eight thousand, two hundred twenty-nine".