228563 has 8 divisors (see below), whose sum is σ = 241536. Its totient is φ = 216000.

The previous prime is 228559. The next prime is 228577. The reversal of 228563 is 365822.

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 228563 - 2² = 228559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228523) 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, 2213 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (30192).

2²²⁸⁵⁶³ is an apocalyptic number.

228563 is a deficient number, since it is larger than the sum of its proper divisors (12973).

228563 is a wasteful number, since it uses less digits than its factorization.

228563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205.

The product of its digits is 2880, while the sum is 26.

The square root of 228563 is about 478.0826288415. The cubic root of 228563 is about 61.1413901985.

The spelling of 228563 in words is "two hundred twenty-eight thousand, five hundred sixty-three".