228355 has 8 divisors (see below), whose sum is σ = 277200. Its totient is φ = 180576.

The previous prime is 228353. The next prime is 228359. The reversal of 228355 is 553822.

228355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 228355 - 2¹ = 228353 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁵ + 3⁸ + 8 + 5⁷ + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228353) 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, 336 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2²²⁸³⁵⁵ is an apocalyptic number.

228355 is a deficient number, since it is larger than the sum of its proper divisors (48845).

228355 is a wasteful number, since it uses less digits than its factorization.

228355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its digits is 2400, while the sum is 25.

The square root of 228355 is about 477.8650437100. The cubic root of 228355 is about 61.1228376640.

The spelling of 228355 in words is "two hundred twenty-eight thousand, three hundred fifty-five".