228084331 has 2 divisors, whose sum is σ = 228084332. Its totient is φ = 228084330.

The previous prime is 228084323. The next prime is 228084343. The reversal of 228084331 is 133480822.

228084331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228084331 - 2³ = 228084323 is a prime.

It is a super-2 number, since 2×228084331² = 104044924095435122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228084293 and 228084302.

It is not a weakly prime, because it can be changed into another prime (228084371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114042165 + 114042166.

It is an arithmetic number, because the mean of its divisors is an integer number (114042166).

Almost surely, 2^228084331 is an apocalyptic number.

228084331 is a deficient number, since it is larger than the sum of its proper divisors (1).

228084331 is an equidigital number, since it uses as much as digits as its factorization.

228084331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 228084331 is about 15102.4610908289. The cubic root of 228084331 is about 610.9867849919.

The spelling of 228084331 in words is "two hundred twenty-eight million, eighty-four thousand, three hundred thirty-one".