228154 has 4 divisors (see below), whose sum is σ = 342234. Its totient is φ = 114076.

The previous prime is 228139. The next prime is 228181. The reversal of 228154 is 451822.

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

It can be written as a sum of positive squares in only one way, i.e., 227529 + 625 = 477^2 + 25^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57037 + ... + 57040.

2²²⁸¹⁵⁴ is an apocalyptic number.

228154 is a deficient number, since it is larger than the sum of its proper divisors (114080).

228154 is a wasteful number, since it uses less digits than its factorization.

228154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114079.

The product of its digits is 640, while the sum is 22.

The square root of 228154 is about 477.6546869863. The cubic root of 228154 is about 61.1048987869.

Adding to 228154 its reverse (451822), we get a palindrome (679976).

The spelling of 228154 in words is "two hundred twenty-eight thousand, one hundred fifty-four".