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228333227 is a prime number
BaseRepresentation
bin11011001110000…
…01011010101011
3120220122112022012
431213001122223
5431423130402
634353550135
75441541353
oct1547013253
9526575265
10228333227
11107985151
126457534b
13383c7725
1422479b63
15150a4452
hexd9c16ab

228333227 has 2 divisors, whose sum is σ = 228333228. Its totient is φ = 228333226.

The previous prime is 228333221. The next prime is 228333229. The reversal of 228333227 is 722333822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228333227 is a prime.

Together with 228333229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228333193 and 228333202.

It is not a weakly prime, because it can be changed into another prime (228333221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114166613 + 114166614.

It is an arithmetic number, because the mean of its divisors is an integer number (114166614).

Almost surely, 2228333227 is an apocalyptic number.

228333227 is a deficient number, since it is larger than the sum of its proper divisors (1).

228333227 is an equidigital number, since it uses as much as digits as its factorization.

228333227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 228333227 is about 15110.6990903796. The cubic root of 228333227 is about 611.2089497261.

The spelling of 228333227 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, two hundred twenty-seven".