118661222 has 4 divisors (see below), whose sum is σ = 177991836. Its totient is φ = 59330610.

The previous prime is 118661171. The next prime is 118661237. The reversal of 118661222 is 222166811.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29665304 + ... + 29665307.

It is an arithmetic number, because the mean of its divisors is an integer number (44497959).

Almost surely, 2^118661222 is an apocalyptic number.

118661222 is a deficient number, since it is larger than the sum of its proper divisors (59330614).

118661222 is an equidigital number, since it uses as much as digits as its factorization.

118661222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59330613.

The product of its digits is 2304, while the sum is 29.

The square root of 118661222 is about 10893.1731832373. The cubic root of 118661222 is about 491.4012672914.

The spelling of 118661222 in words is "one hundred eighteen million, six hundred sixty-one thousand, two hundred twenty-two".