118221198 has 16 divisors (see below), whose sum is σ = 236933760. Its totient is φ = 39325176.

The previous prime is 118221167. The next prime is 118221221. The reversal of 118221198 is 891122811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17308 + ... + 23151.

It is an arithmetic number, because the mean of its divisors is an integer number (14808360).

Almost surely, 2^118221198 is an apocalyptic number.

118221198 is an abundant number, since it is smaller than the sum of its proper divisors (118712562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118221198 is a wasteful number, since it uses less digits than its factorization.

118221198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40951.

The product of its digits is 2304, while the sum is 33.

The square root of 118221198 is about 10872.9571874445. The cubic root of 118221198 is about 490.7931040545.

The spelling of 118221198 in words is "one hundred eighteen million, two hundred twenty-one thousand, one hundred ninety-eight".