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16229 is a prime number
BaseRepresentation
bin11111101100101
3211021002
43331211
51004404
6203045
765213
oct37545
924232
1016229
1111214
129485
137505
145cb3
154c1e
hex3f65

16229 has 2 divisors, whose sum is σ = 16230. Its totient is φ = 16228.

The previous prime is 16223. The next prime is 16231. The reversal of 16229 is 92261.

16229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16129 + 100 = 127^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 16229 - 28 = 15973 is a prime.

Together with 16231, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8114 + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (8115).

216229 is an apocalyptic number.

It is an amenable number.

16229 is a deficient number, since it is larger than the sum of its proper divisors (1).

16229 is an equidigital number, since it uses as much as digits as its factorization.

16229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 16229 is about 127.3930924344. The cubic root of 16229 is about 25.3180694446.

It can be divided in two parts, 162 and 29, that added together give a palindrome (191).

The spelling of 16229 in words is "sixteen thousand, two hundred twenty-nine".