118212222 has 8 divisors (see below), whose sum is σ = 236424456. Its totient is φ = 39404072.

The previous prime is 118212217. The next prime is 118212229. The reversal of 118212222 is 222212811.

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

118212222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118212229) 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, 9851013 + ... + 9851024.

It is an arithmetic number, because the mean of its divisors is an integer number (29553057).

Almost surely, 2^118212222 is an apocalyptic number.

118212222 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.

118212222 is a wasteful number, since it uses less digits than its factorization.

118212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19702042.

The product of its digits is 256, while the sum is 21.

The square root of 118212222 is about 10872.5444124179. The cubic root of 118212222 is about 490.7806825078.

It can be divided in two parts, 11821 and 2222, that multiplied together give a palindrome (26266262).

The spelling of 118212222 in words is "one hundred eighteen million, two hundred twelve thousand, two hundred twenty-two".