228134 has 4 divisors (see below), whose sum is σ = 342204. Its totient is φ = 114066.

The previous prime is 228131. The next prime is 228139. The reversal of 228134 is 431822.

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

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228131) 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 as a sum of consecutive naturals, namely, 57032 + ... + 57035.

It is an arithmetic number, because the mean of its divisors is an integer number (85551).

2²²⁸¹³⁴ is an apocalyptic number.

228134 is a deficient number, since it is larger than the sum of its proper divisors (114070).

228134 is a wasteful number, since it uses less digits than its factorization.

228134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114069.

The product of its digits is 384, while the sum is 20.

The square root of 228134 is about 477.6337509013. The cubic root of 228134 is about 61.1031132478.

Adding to 228134 its reverse (431822), we get a palindrome (659956).

The spelling of 228134 in words is "two hundred twenty-eight thousand, one hundred thirty-four".