227915138 has 8 divisors (see below), whose sum is σ = 372952080. Its totient is φ = 103597780.

The previous prime is 227915137. The next prime is 227915159. The reversal of 227915138 is 831519722.

227915138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (227915137) 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, 5179868 + ... + 5179911.

It is an arithmetic number, because the mean of its divisors is an integer number (46619010).

Almost surely, 2^227915138 is an apocalyptic number.

227915138 is a deficient number, since it is larger than the sum of its proper divisors (145036942).

227915138 is a wasteful number, since it uses less digits than its factorization.

227915138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359792.

The product of its digits is 30240, while the sum is 38.

The square root of 227915138 is about 15096.8585473932. The cubic root of 227915138 is about 610.8356709159.

The spelling of 227915138 in words is "two hundred twenty-seven million, nine hundred fifteen thousand, one hundred thirty-eight".