228044403 has 40 divisors (see below), whose sum is σ = 363813120. Its totient is φ = 141931440.

The previous prime is 228044393. The next prime is 228044447. The reversal of 228044403 is 304440822.

It is a happy number.

It is not a de Polignac number, because 228044403 - 2⁴ = 228044387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (228044473) 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, 108226 + ... + 110312.

It is an arithmetic number, because the mean of its divisors is an integer number (9095328).

Almost surely, 2^228044403 is an apocalyptic number.

228044403 is a deficient number, since it is larger than the sum of its proper divisors (135768717).

228044403 is a wasteful number, since it uses less digits than its factorization.

228044403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 228044403 is about 15101.1391292180. The cubic root of 228044403 is about 610.9511301913.

The spelling of 228044403 in words is "two hundred twenty-eight million, forty-four thousand, four hundred three".