228144843 has 40 divisors (see below), whose sum is σ = 358423296. Its totient is φ = 144342000.

The previous prime is 228144823. The next prime is 228144857. The reversal of 228144843 is 348441822.

It is not a de Polignac number, because 228144843 - 2¹⁰ = 228143819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228144798 and 228144807.

It is not an unprimeable number, because it can be changed into a prime (228144803) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 280908 + ... + 281718.

Almost surely, 2^228144843 is an apocalyptic number.

228144843 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

228144843 is a deficient number, since it is larger than the sum of its proper divisors (130278453).

228144843 is a wasteful number, since it uses less digits than its factorization.

228144843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 988 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 228144843 is about 15104.4643400552. The cubic root of 228144843 is about 611.0408129079.

The spelling of 228144843 in words is "two hundred twenty-eight million, one hundred forty-four thousand, eight hundred forty-three".