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336221 is a prime number
BaseRepresentation
bin1010010000101011101
3122002012122
41102011131
541224341
611112325
72600144
oct1220535
9562178
10336221
1120a676
121426a5
13ba062
148a75b
156994b
hex5215d

336221 has 2 divisors, whose sum is σ = 336222. Its totient is φ = 336220.

The previous prime is 336211. The next prime is 336223. The reversal of 336221 is 122633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184900 + 151321 = 430^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 336221 - 26 = 336157 is a prime.

It is a super-2 number, since 2×3362212 = 226089121682, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 336223, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 336221.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 336221.

It is not a weakly prime, because it can be changed into another prime (336223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168110 + 168111.

It is an arithmetic number, because the mean of its divisors is an integer number (168111).

2336221 is an apocalyptic number.

It is an amenable number.

336221 is a deficient number, since it is larger than the sum of its proper divisors (1).

336221 is an equidigital number, since it uses as much as digits as its factorization.

336221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 17.

The square root of 336221 is about 579.8456691224. The cubic root of 336221 is about 69.5357716581.

Adding to 336221 its reverse (122633), we get a palindrome (458854).

The spelling of 336221 in words is "three hundred thirty-six thousand, two hundred twenty-one".