228239843 has 8 divisors (see below), whose sum is σ = 247086336. Its totient is φ = 209577600.

The previous prime is 228239827. The next prime is 228239867. The reversal of 228239843 is 348932822.

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 228239843 - 2⁴ = 228239827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228239843.

It is not an unprimeable number, because it can be changed into a prime (228239813) 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, 43478 + ... + 48443.

It is an arithmetic number, because the mean of its divisors is an integer number (30885792).

Almost surely, 2^228239843 is an apocalyptic number.

228239843 is a deficient number, since it is larger than the sum of its proper divisors (18846493).

228239843 is a wasteful number, since it uses less digits than its factorization.

228239843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92125.

The product of its digits is 165888, while the sum is 41.

The square root of 228239843 is about 15107.6087783607. The cubic root of 228239843 is about 611.1256140384.

The spelling of 228239843 in words is "two hundred twenty-eight million, two hundred thirty-nine thousand, eight hundred forty-three".