228115 has 8 divisors (see below), whose sum is σ = 280368. Its totient is φ = 178080.

The previous prime is 228113. The next prime is 228127. The reversal of 228115 is 511822.

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

It is not a de Polignac number, because 228115 - 2¹ = 228113 is a prime.

It is a Duffinian number.

228115 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 228092 and 228101.

It is not an unprimeable number, because it can be changed into a prime (228113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316 + ... + 745.

It is an arithmetic number, because the mean of its divisors is an integer number (35046).

2²²⁸¹¹⁵ is an apocalyptic number.

228115 is a deficient number, since it is larger than the sum of its proper divisors (52253).

228115 is a wasteful number, since it uses less digits than its factorization.

228115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 160, while the sum is 19.

The square root of 228115 is about 477.6138607704. The cubic root of 228115 is about 61.1014168890.

Adding to 228115 its reverse (511822), we get a palindrome (739937).

It can be divided in two parts, 228 and 115, that added together give a palindrome (343).

The spelling of 228115 in words is "two hundred twenty-eight thousand, one hundred fifteen".