998882233 has 4 divisors (see below), whose sum is σ = 998970100. Its totient is φ = 998794368.

The previous prime is 998882191. The next prime is 998882251. The reversal of 998882233 is 332288899.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 190219264 + 808662969 = 13792^2 + 28437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998882233 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (998882263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23808 + ... + 50641.

It is an arithmetic number, because the mean of its divisors is an integer number (249742525).

Almost surely, 2^998882233 is an apocalyptic number.

It is an amenable number.

998882233 is a deficient number, since it is larger than the sum of its proper divisors (87867).

998882233 is a wasteful number, since it uses less digits than its factorization.

998882233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87866.

The product of its digits is 1492992, while the sum is 52.

The square root of 998882233 is about 31605.0982121556. The cubic root of 998882233 is about 999.6272720912.

The spelling of 998882233 in words is "nine hundred ninety-eight million, eight hundred eighty-two thousand, two hundred thirty-three".