228358 has 8 divisors (see below), whose sum is σ = 368928. Its totient is φ = 105384.

The previous prime is 228353. The next prime is 228359. The reversal of 228358 is 853822.

228358 is digitally balanced in base 2 and base 3, because in such bases 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 plaindrome in base 15.

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 3 ways as a sum of consecutive naturals, for example, 4366 + ... + 4417.

It is an arithmetic number, because the mean of its divisors is an integer number (46116).

2²²⁸³⁵⁸ is an apocalyptic number.

228358 is a deficient number, since it is larger than the sum of its proper divisors (140570).

228358 is a wasteful number, since it uses less digits than its factorization.

228358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798.

The product of its digits is 3840, while the sum is 28.

The square root of 228358 is about 477.8681826613. The cubic root of 228358 is about 61.1231053286.

The spelling of 228358 in words is "two hundred twenty-eight thousand, three hundred fifty-eight".