998442233 has 2 divisors, whose sum is σ = 998442234. Its totient is φ = 998442232.

The previous prime is 998442199. The next prime is 998442239. The reversal of 998442233 is 332244899.

998442233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998370409 + 71824 = 31597^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 998442233 - 2⁶ = 998442169 is a prime.

It is not a weakly prime, because it can be changed into another prime (998442239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499221116 + 499221117.

It is an arithmetic number, because the mean of its divisors is an integer number (499221117).

Almost surely, 2^998442233 is an apocalyptic number.

It is an amenable number.

998442233 is a deficient number, since it is larger than the sum of its proper divisors (1).

998442233 is an equidigital number, since it uses as much as digits as its factorization.

998442233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 998442233 is about 31598.1365431571. The cubic root of 998442233 is about 999.4804744733.

The spelling of 998442233 in words is "nine hundred ninety-eight million, four hundred forty-two thousand, two hundred thirty-three".