9898223 has 2 divisors, whose sum is σ = 9898224. Its totient is φ = 9898222.

The previous prime is 9898177. The next prime is 9898237. The reversal of 9898223 is 3228989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9898223 - 2⁶ = 9898159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9898243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4949111 + 4949112.

It is an arithmetic number, because the mean of its divisors is an integer number (4949112).

Almost surely, 2^9898223 is an apocalyptic number.

9898223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9898223 is an equidigital number, since it uses as much as digits as its factorization.

9898223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 9898223 is about 3146.1441480009. The cubic root of 9898223 is about 214.7100689068.

The spelling of 9898223 in words is "nine million, eight hundred ninety-eight thousand, two hundred twenty-three".