99982247 has 2 divisors, whose sum is σ = 99982248. Its totient is φ = 99982246.

The previous prime is 99982243. The next prime is 99982249. The reversal of 99982247 is 74228999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99982247 - 2² = 99982243 is a prime.

Together with 99982249, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99982195 and 99982204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99982241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991123 + 49991124.

It is an arithmetic number, because the mean of its divisors is an integer number (49991124).

Almost surely, 2^99982247 is an apocalyptic number.

99982247 is a deficient number, since it is larger than the sum of its proper divisors (1).

99982247 is an equidigital number, since it uses as much as digits as its factorization.

99982247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 99982247 is about 9999.1123106004. The cubic root of 99982247 is about 464.1314143602.

The spelling of 99982247 in words is "ninety-nine million, nine hundred eighty-two thousand, two hundred forty-seven".