12284219 has 2 divisors, whose sum is σ = 12284220. Its totient is φ = 12284218.

The previous prime is 12284201. The next prime is 12284243. The reversal of 12284219 is 91248221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12284219 is a prime.

It is a super-2 number, since 2×12284219² = 301804072879922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12284191 and 12284200.

It is not a weakly prime, because it can be changed into another prime (12284299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142109 + 6142110.

It is an arithmetic number, because the mean of its divisors is an integer number (6142110).

Almost surely, 2^12284219 is an apocalyptic number.

12284219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12284219 is an equidigital number, since it uses as much as digits as its factorization.

12284219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 12284219 is about 3504.8850195121. The cubic root of 12284219 is about 230.7362606544.

The spelling of 12284219 in words is "twelve million, two hundred eighty-four thousand, two hundred nineteen".