118220442 has 8 divisors (see below), whose sum is σ = 236440896. Its totient is φ = 39406812.

The previous prime is 118220441. The next prime is 118220447. The reversal of 118220442 is 244022811.

It is a sphenic number, since it is the product of 3 distinct primes.

118220442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (118220441) 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, 9851698 + ... + 9851709.

It is an arithmetic number, because the mean of its divisors is an integer number (29555112).

Almost surely, 2^118220442 is an apocalyptic number.

118220442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118220442 is a wasteful number, since it uses less digits than its factorization.

118220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19703412.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 118220442 is about 10872.9224222377. The cubic root of 118220442 is about 490.7920578790.

The spelling of 118220442 in words is "one hundred eighteen million, two hundred twenty thousand, four hundred forty-two".