228547 has 8 divisors (see below), whose sum is σ = 253440. Its totient is φ = 204360.

The previous prime is 228539. The next prime is 228559. The reversal of 228547 is 745822.

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 228547 - 2³ = 228539 is a prime.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 1000.

It is an arithmetic number, because the mean of its divisors is an integer number (31680).

2²²⁸⁵⁴⁷ is an apocalyptic number.

228547 is a deficient number, since it is larger than the sum of its proper divisors (24893).

228547 is a wasteful number, since it uses less digits than its factorization.

228547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its digits is 4480, while the sum is 28.

The square root of 228547 is about 478.0658950396. The cubic root of 228547 is about 61.1399634802.

It can be divided in two parts, 2285 and 47, that added together give a palindrome (2332).

The spelling of 228547 in words is "two hundred twenty-eight thousand, five hundred forty-seven".