118400227 has 4 divisors (see below), whose sum is σ = 129163896. Its totient is φ = 107636560.

The previous prime is 118400221. The next prime is 118400263. The reversal of 118400227 is 722004811.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118400227 is a prime.

It is a super-2 number, since 2×118400227² = 28037227507303058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118400221) 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, 5381818 + ... + 5381839.

It is an arithmetic number, because the mean of its divisors is an integer number (32290974).

Almost surely, 2^118400227 is an apocalyptic number.

118400227 is a deficient number, since it is larger than the sum of its proper divisors (10763669).

118400227 is a wasteful number, since it uses less digits than its factorization.

118400227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763668.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 118400227 is about 10881.1868378408. The cubic root of 118400227 is about 491.0407242891.

The spelling of 118400227 in words is "one hundred eighteen million, four hundred thousand, two hundred twenty-seven".