227918313 has 32 divisors (see below), whose sum is σ = 388401920. Its totient is φ = 129392640.

The previous prime is 227918309. The next prime is 227918323. The reversal of 227918313 is 313819722.

It is not a de Polignac number, because 227918313 - 2² = 227918309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227918323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25833 + ... + 33513.

It is an arithmetic number, because the mean of its divisors is an integer number (12137560).

Almost surely, 2^227918313 is an apocalyptic number.

It is an amenable number.

227918313 is a deficient number, since it is larger than the sum of its proper divisors (160483607).

227918313 is a wasteful number, since it uses less digits than its factorization.

227918313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854 (or 7848 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 227918313 is about 15096.9637013540. The cubic root of 227918313 is about 610.8385073434.

The spelling of 227918313 in words is "two hundred twenty-seven million, nine hundred eighteen thousand, three hundred thirteen".