118922188 has 48 divisors (see below), whose sum is σ = 261692928. Its totient is φ = 46318800.

The previous prime is 118922149. The next prime is 118922189. The reversal of 118922188 is 881229811.

It is a self number, because there is not a number n which added to its sum of digits gives 118922188.

It is not an unprimeable number, because it can be changed into a prime (118922189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35673 + ... + 38863.

It is an arithmetic number, because the mean of its divisors is an integer number (5451936).

Almost surely, 2^118922188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118922188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130846464).

118922188 is an abundant number, since it is smaller than the sum of its proper divisors (142770740).

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

118922188 is a wasteful number, since it uses less digits than its factorization.

118922188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3211 counting only the distinct ones).

The product of its digits is 18432, while the sum is 40.

The square root of 118922188 is about 10905.1450242535. The cubic root of 118922188 is about 491.7612420320.

The spelling of 118922188 in words is "one hundred eighteen million, nine hundred twenty-two thousand, one hundred eighty-eight".