118915228 has 12 divisors (see below), whose sum is σ = 208376280. Its totient is φ = 59379152.

The previous prime is 118915219. The next prime is 118915231. The reversal of 118915228 is 822519811.

It is a congruent number.

It is an unprimeable number.

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, 16138 + ... + 22321.

It is an arithmetic number, because the mean of its divisors is an integer number (17364690).

Almost surely, 2^118915228 is an apocalyptic number.

It is an amenable number.

118915228 is a deficient number, since it is larger than the sum of its proper divisors (89461052).

118915228 is a wasteful number, since it uses less digits than its factorization.

118915228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39236 (or 39234 counting only the distinct ones).

The product of its digits is 11520, while the sum is 37.

The square root of 118915228 is about 10904.8259041582. The cubic root of 118915228 is about 491.7516482938.

The spelling of 118915228 in words is "one hundred eighteen million, nine hundred fifteen thousand, two hundred twenty-eight".