228567 has 8 divisors (see below), whose sum is σ = 310000. Its totient is φ = 149760.

The previous prime is 228559. The next prime is 228577. The reversal of 228567 is 765822.

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

It is not a de Polignac number, because 228567 - 2³ = 228559 is a prime.

It is a Duffinian number.

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 (228517) 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, 442 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (38750).

2²²⁸⁵⁶⁷ is an apocalyptic number.

228567 is a deficient number, since it is larger than the sum of its proper divisors (81433).

228567 is a wasteful number, since it uses less digits than its factorization.

228567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 6720, while the sum is 30.

The square root of 228567 is about 478.0868122005. The cubic root of 228567 is about 61.1417468677.

The spelling of 228567 in words is "two hundred twenty-eight thousand, five hundred sixty-seven".