118228146 has 16 divisors (see below), whose sum is σ = 248901600. Its totient is φ = 37335168.

The previous prime is 118228129. The next prime is 118228147. The reversal of 118228146 is 641822811.

It is not an unprimeable number, because it can be changed into a prime (118228147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518431 + ... + 518658.

It is an arithmetic number, because the mean of its divisors is an integer number (15556350).

Almost surely, 2^118228146 is an apocalyptic number.

118228146 is an abundant number, since it is smaller than the sum of its proper divisors (130673454).

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

118228146 is a wasteful number, since it uses less digits than its factorization.

118228146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037113.

The product of its digits is 6144, while the sum is 33.

The square root of 118228146 is about 10873.2766910440. The cubic root of 118228146 is about 490.8027186971.

The spelling of 118228146 in words is "one hundred eighteen million, two hundred twenty-eight thousand, one hundred forty-six".