99922871 has 2 divisors, whose sum is σ = 99922872. Its totient is φ = 99922870.

The previous prime is 99922817. The next prime is 99922873. The reversal of 99922871 is 17822999.

It is a happy number.

Together with previous prime (99922817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99922871 - 2¹⁰ = 99921847 is a prime.

Together with 99922873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99922873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49961435 + 49961436.

It is an arithmetic number, because the mean of its divisors is an integer number (49961436).

Almost surely, 2^99922871 is an apocalyptic number.

99922871 is a deficient number, since it is larger than the sum of its proper divisors (1).

99922871 is an equidigital number, since it uses as much as digits as its factorization.

99922871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 47.

The square root of 99922871 is about 9996.1428061028. The cubic root of 99922871 is about 464.0395189661.

The spelling of 99922871 in words is "ninety-nine million, nine hundred twenty-two thousand, eight hundred seventy-one".