118812227 has 4 divisors (see below), whose sum is σ = 123978000. Its totient is φ = 113646456.

The previous prime is 118812191. The next prime is 118812247. The reversal of 118812227 is 722218811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722218811 = 31 ⋅23297381.

It is a cyclic number.

It is not a de Polignac number, because 118812227 - 2⁶ = 118812163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118812193 and 118812202.

It is not an unprimeable number, because it can be changed into a prime (118812247) 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, 2582852 + ... + 2582897.

It is an arithmetic number, because the mean of its divisors is an integer number (30994500).

Almost surely, 2^118812227 is an apocalyptic number.

118812227 is a deficient number, since it is larger than the sum of its proper divisors (5165773).

118812227 is an equidigital number, since it uses as much as digits as its factorization.

118812227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165772.

The product of its digits is 3584, while the sum is 32.

The square root of 118812227 is about 10900.1021554846. The cubic root of 118812227 is about 491.6096268343.

The spelling of 118812227 in words is "one hundred eighteen million, eight hundred twelve thousand, two hundred twenty-seven".