9998122 has 8 divisors (see below), whose sum is σ = 15316416. Its totient is φ = 4892652.

The previous prime is 9998119. The next prime is 9998129. The reversal of 9998122 is 2218999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9998129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53088 + ... + 53275.

It is an arithmetic number, because the mean of its divisors is an integer number (1914552).

Almost surely, 2^9998122 is an apocalyptic number.

9998122 is a deficient number, since it is larger than the sum of its proper divisors (5318294).

9998122 is a wasteful number, since it uses less digits than its factorization.

9998122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106412.

The product of its digits is 23328, while the sum is 40.

The square root of 9998122 is about 3161.9807083535. The cubic root of 9998122 is about 215.4299813977.

The spelling of 9998122 in words is "nine million, nine hundred ninety-eight thousand, one hundred twenty-two".