228404033 has 16 divisors (see below), whose sum is σ = 268906176. Its totient is φ = 191259840.

The previous prime is 228403999. The next prime is 228404047. The reversal of 228404033 is 330404822.

228404033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 228404033 - 2²⁴ = 211626817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228403993 and 228404011.

It is not an unprimeable number, because it can be changed into a prime (228407033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79091 + ... + 81927.

It is an arithmetic number, because the mean of its divisors is an integer number (16806636).

Almost surely, 2^228404033 is an apocalyptic number.

It is an amenable number.

228404033 is a deficient number, since it is larger than the sum of its proper divisors (40502143).

228404033 is a wasteful number, since it uses less digits than its factorization.

228404033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 228404033 is about 15113.0418182443. The cubic root of 228404033 is about 611.2721217092.

Adding to 228404033 its reverse (330404822), we get a palindrome (558808855).

The spelling of 228404033 in words is "two hundred twenty-eight million, four hundred four thousand, thirty-three".