228403833 has 16 divisors (see below), whose sum is σ = 348813696. Its totient is φ = 130227840.

The previous prime is 228403829. The next prime is 228403841. The reversal of 228403833 is 338304822.

It is not a de Polignac number, because 228403833 - 2² = 228403829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228403794 and 228403803.

It is not an unprimeable number, because it can be changed into a prime (228403843) 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, 2116 + ... + 21477.

It is an arithmetic number, because the mean of its divisors is an integer number (21800856).

Almost surely, 2^228403833 is an apocalyptic number.

It is an amenable number.

228403833 is a deficient number, since it is larger than the sum of its proper divisors (120409863).

228403833 is a wasteful number, since it uses less digits than its factorization.

228403833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24064.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 228403833 is about 15113.0352014412. The cubic root of 228403833 is about 611.2719432908.

The spelling of 228403833 in words is "two hundred twenty-eight million, four hundred three thousand, eight hundred thirty-three".