118220394 has 32 divisors (see below), whose sum is σ = 249984000. Its totient is φ = 37167984.

The previous prime is 118220393. The next prime is 118220423. The reversal of 118220394 is 493022811.

It is not an unprimeable number, because it can be changed into a prime (118220393) 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, 25077 + ... + 29415.

It is an arithmetic number, because the mean of its divisors is an integer number (7812000).

Almost surely, 2^118220394 is an apocalyptic number.

118220394 is an abundant number, since it is smaller than the sum of its proper divisors (131763606).

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

118220394 is a wasteful number, since it uses less digits than its factorization.

118220394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 118220394 is about 10872.9202149193. The cubic root of 118220394 is about 490.7919914550.

The spelling of 118220394 in words is "one hundred eighteen million, two hundred twenty thousand, three hundred ninety-four".