228741 has 8 divisors (see below), whose sum is σ = 321120. Its totient is φ = 144432.

The previous prime is 228737. The next prime is 228751. The reversal of 228741 is 147822.

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

It is not a de Polignac number, because 228741 - 2² = 228737 is a prime.

228741 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228731) 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, 1950 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (40140).

2²²⁸⁷⁴¹ is an apocalyptic number.

It is an amenable number.

228741 is a deficient number, since it is larger than the sum of its proper divisors (92379).

228741 is a wasteful number, since it uses less digits than its factorization.

228741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035.

The product of its digits is 896, while the sum is 24.

The square root of 228741 is about 478.2687528995. The cubic root of 228741 is about 61.1572579512.

It can be divided in two parts, 228 and 741, that added together give a palindrome (969).

The spelling of 228741 in words is "two hundred twenty-eight thousand, seven hundred forty-one".