235228 has 24 divisors (see below), whose sum is σ = 487424. Its totient is φ = 97200.

The previous prime is 235211. The next prime is 235231. The reversal of 235228 is 822532.

235228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 235199 and 235208.

It is a congruent number.

It is an unprimeable number.

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, 733 + ... + 1003.

2²³⁵²²⁸ is an apocalyptic number.

235228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243712).

235228 is an abundant number, since it is smaller than the sum of its proper divisors (252196).

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

235228 is a wasteful number, since it uses less digits than its factorization.

235228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 311 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 235228 is about 485.0030927736. The cubic root of 235228 is about 61.7300087723.

It can be divided in two parts, 2352 and 28, that multiplied together give a palindrome (65856).

The spelling of 235228 in words is "two hundred thirty-five thousand, two hundred twenty-eight".