99442241 has 2 divisors, whose sum is σ = 99442242. Its totient is φ = 99442240.

The previous prime is 99442237. The next prime is 99442243. The reversal of 99442241 is 14224499.

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., 88360000 + 11082241 = 9400^2 + 3329^2 .

It is a cyclic number.

It is not a de Polignac number, because 99442241 - 2² = 99442237 is a prime.

Together with 99442243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99442243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49721120 + 49721121.

It is an arithmetic number, because the mean of its divisors is an integer number (49721121).

Almost surely, 2^99442241 is an apocalyptic number.

It is an amenable number.

99442241 is a deficient number, since it is larger than the sum of its proper divisors (1).

99442241 is an equidigital number, since it uses as much as digits as its factorization.

99442241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 99442241 is about 9972.0730542852. The cubic root of 99442241 is about 463.2943113051.

The spelling of 99442241 in words is "ninety-nine million, four hundred forty-two thousand, two hundred forty-one".