228235 has 8 divisors (see below), whose sum is σ = 313056. Its totient is φ = 156480.

The previous prime is 228233. The next prime is 228251. The reversal of 228235 is 532822.

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

It is not a de Polignac number, because 228235 - 2¹ = 228233 is a prime.

It is a Duffinian number.

228235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (228233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3226 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (39132).

2²²⁸²³⁵ is an apocalyptic number.

228235 is a deficient number, since it is larger than the sum of its proper divisors (84821).

228235 is an equidigital number, since it uses as much as digits as its factorization.

228235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533.

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

The square root of 228235 is about 477.7394687484. The cubic root of 228235 is about 61.1121291535.

The spelling of 228235 in words is "two hundred twenty-eight thousand, two hundred thirty-five".