228955 has 8 divisors (see below), whose sum is σ = 284400. Its totient is φ = 176736.

The previous prime is 228953. The next prime is 228959. The reversal of 228955 is 559822.

It is a happy number.

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 228955 - 2¹ = 228953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (35550).

2²²⁸⁹⁵⁵ is an apocalyptic number.

228955 is a deficient number, since it is larger than the sum of its proper divisors (55445).

228955 is a wasteful number, since it uses less digits than its factorization.

228955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its digits is 7200, while the sum is 31.

The square root of 228955 is about 478.4924241825. The cubic root of 228955 is about 61.1763240185.

The spelling of 228955 in words is "two hundred twenty-eight thousand, nine hundred fifty-five".