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223229 is a prime number
BaseRepresentation
bin110110011111111101
3102100012202
4312133331
524120404
64441245
71616546
oct663775
9370182
10223229
11142796
12a9225
137a7b6
145b4cd
154621e
hex367fd

223229 has 2 divisors, whose sum is σ = 223230. Its totient is φ = 223228.

The previous prime is 223219. The next prime is 223241. The reversal of 223229 is 922322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139129 + 84100 = 373^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 223229 - 212 = 219133 is a prime.

It is a super-3 number, since 3×2232293 = 33371297754113967, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111614 + 111615.

It is an arithmetic number, because the mean of its divisors is an integer number (111615).

2223229 is an apocalyptic number.

It is an amenable number.

223229 is a deficient number, since it is larger than the sum of its proper divisors (1).

223229 is an equidigital number, since it uses as much as digits as its factorization.

223229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 223229 is about 472.4711631412. The cubic root of 223229 is about 60.6620204683.

The spelling of 223229 in words is "two hundred twenty-three thousand, two hundred twenty-nine".