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14221237 is a prime number
BaseRepresentation
bin110110001111…
…111110110101
3222202111212111
4312033332311
512120034422
61224451021
7231610222
oct66177665
928674774
1014221237
118033698
124919a71
132c3c044
141c62949
1513ada77
hexd8ffb5

14221237 has 2 divisors, whose sum is σ = 14221238. Its totient is φ = 14221236.

The previous prime is 14221211. The next prime is 14221241. The reversal of 14221237 is 73212241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14205361 + 15876 = 3769^2 + 126^2 .

It is a cyclic number.

It is not a de Polignac number, because 14221237 - 211 = 14219189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14221247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110618 + 7110619.

It is an arithmetic number, because the mean of its divisors is an integer number (7110619).

Almost surely, 214221237 is an apocalyptic number.

It is an amenable number.

14221237 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221237 is an equidigital number, since it uses as much as digits as its factorization.

14221237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 14221237 is about 3771.1055408196. The cubic root of 14221237 is about 242.2771509955.

Adding to 14221237 its reverse (73212241), we get a palindrome (87433478).

The spelling of 14221237 in words is "fourteen million, two hundred twenty-one thousand, two hundred thirty-seven".