228688113 has 8 divisors (see below), whose sum is σ = 315432000. Its totient is φ = 147201488.

The previous prime is 228688111. The next prime is 228688121. The reversal of 228688113 is 311886822.

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

It is a cyclic number.

It is not a de Polignac number, because 228688113 - 2¹ = 228688111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228688111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314213 + ... + 1314386.

It is an arithmetic number, because the mean of its divisors is an integer number (39429000).

Almost surely, 2^228688113 is an apocalyptic number.

It is an amenable number.

228688113 is a deficient number, since it is larger than the sum of its proper divisors (86743887).

228688113 is a wasteful number, since it uses less digits than its factorization.

228688113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628631.

The product of its digits is 36864, while the sum is 39.

The square root of 228688113 is about 15122.4374027470. The cubic root of 228688113 is about 611.5254421645.

The spelling of 228688113 in words is "two hundred twenty-eight million, six hundred eighty-eight thousand, one hundred thirteen".