118221884 has 12 divisors (see below), whose sum is σ = 225696408. Its totient is φ = 53737200.

The previous prime is 118221881. The next prime is 118221907. The reversal of 118221884 is 488122811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118221881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343387 + ... + 1343474.

It is an arithmetic number, because the mean of its divisors is an integer number (18808034).

Almost surely, 2^118221884 is an apocalyptic number.

It is an amenable number.

118221884 is a deficient number, since it is larger than the sum of its proper divisors (107474524).

118221884 is a wasteful number, since it uses less digits than its factorization.

118221884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686876 (or 2686874 counting only the distinct ones).

The product of its digits is 8192, while the sum is 35.

The square root of 118221884 is about 10872.9887335544. The cubic root of 118221884 is about 490.7940533581.

The spelling of 118221884 in words is "one hundred eighteen million, two hundred twenty-one thousand, eight hundred eighty-four".