130228 has 12 divisors (see below), whose sum is σ = 260512. Its totient is φ = 55800.

The previous prime is 130223. The next prime is 130241. The reversal of 130228 is 822031.

It is a happy number.

130228 is an admirable number.

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 (130223) 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 3 ways as a sum of consecutive naturals, for example, 2298 + ... + 2353.

2¹³⁰²²⁸ is an apocalyptic number.

It is an amenable number.

130228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130228 is a wasteful number, since it uses less digits than its factorization.

130228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662 (or 4660 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 130228 is about 360.8711681473. The cubic root of 130228 is about 50.6875683230.

Adding to 130228 its reverse (822031), we get a palindrome (952259).

The spelling of 130228 in words is "one hundred thirty thousand, two hundred twenty-eight".