228784603 has 4 divisors (see below), whose sum is σ = 231541128. Its totient is φ = 226028080.

The previous prime is 228784601. The next prime is 228784613. The reversal of 228784603 is 306487822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228784603 - 2¹ = 228784601 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228784601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378138 + ... + 1378303.

It is an arithmetic number, because the mean of its divisors is an integer number (57885282).

Almost surely, 2^228784603 is an apocalyptic number.

228784603 is a deficient number, since it is larger than the sum of its proper divisors (2756525).

228784603 is an equidigital number, since it uses as much as digits as its factorization.

228784603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756524.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 228784603 is about 15125.6273588899. The cubic root of 228784603 is about 611.6114367131.

The spelling of 228784603 in words is "two hundred twenty-eight million, seven hundred eighty-four thousand, six hundred three".