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229321 is a prime number
BaseRepresentation
bin110111111111001001
3102122120101
4313333021
524314241
64525401
71643401
oct677711
9378511
10229321
11147324
12b0861
13804c1
145d801
1547e31
hex37fc9

229321 has 2 divisors, whose sum is σ = 229322. Its totient is φ = 229320.

The previous prime is 229309. The next prime is 229343. The reversal of 229321 is 123922.

It is a happy number.

It is the 196-th star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193600 + 35721 = 440^2 + 189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-229321 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (229351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114660 + 114661.

It is an arithmetic number, because the mean of its divisors is an integer number (114661).

2229321 is an apocalyptic number.

It is an amenable number.

229321 is a deficient number, since it is larger than the sum of its proper divisors (1).

229321 is an equidigital number, since it uses as much as digits as its factorization.

229321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 229321 is about 478.8747226572. The cubic root of 229321 is about 61.2089048230.

The spelling of 229321 in words is "two hundred twenty-nine thousand, three hundred twenty-one".