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228233333 is a prime number
BaseRepresentation
bin11011001101010…
…01000001110101
3120220110110021102
431212221001311
5431411431313
634351455445
75440644206
oct1546510165
9526413242
10228233333
11107917099
1264527585
1338391113
14224515ad
1515084a58
hexd9a9075

228233333 has 2 divisors, whose sum is σ = 228233334. Its totient is φ = 228233332.

The previous prime is 228233311. The next prime is 228233359. The reversal of 228233333 is 333332822.

228233333 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 can be written as a sum of positive squares in only one way, i.e., 198443569 + 29789764 = 14087^2 + 5458^2 .

It is a cyclic number.

It is not a de Polignac number, because 228233333 - 28 = 228233077 is a prime.

228233333 is a modest number, since divided by 33333 gives 2282 as remainder.

It is equal to p12550754 and since 228233333 and 12550754 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 228233296 and 228233305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228233303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114116666 + 114116667.

It is an arithmetic number, because the mean of its divisors is an integer number (114116667).

Almost surely, 2228233333 is an apocalyptic number.

It is an amenable number.

228233333 is a deficient number, since it is larger than the sum of its proper divisors (1).

228233333 is an equidigital number, since it uses as much as digits as its factorization.

228233333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 29.

The square root of 228233333 is about 15107.3933224763. The cubic root of 228233333 is about 611.1198036805.

The spelling of 228233333 in words is "two hundred twenty-eight million, two hundred thirty-three thousand, three hundred thirty-three".