118228170 has 16 divisors (see below), whose sum is σ = 283747680. Its totient is φ = 31527504.

The previous prime is 118228169. The next prime is 118228177. The reversal of 118228170 is 71822811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3940939 = 118228170 / (1 + 1 + 8 + 2 + 2 + 8 + 1 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (118228177) 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, 1970440 + ... + 1970499.

It is an arithmetic number, because the mean of its divisors is an integer number (17734230).

Almost surely, 2^118228170 is an apocalyptic number.

118228170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118228170 is an abundant number, since it is smaller than the sum of its proper divisors (165519510).

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

118228170 is a wasteful number, since it uses less digits than its factorization.

118228170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940949.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 118228170 is about 10873.2777946671. The cubic root of 118228170 is about 490.8027519076.

The spelling of 118228170 in words is "one hundred eighteen million, two hundred twenty-eight thousand, one hundred seventy".