12240227 has 2 divisors, whose sum is σ = 12240228. Its totient is φ = 12240226.

The previous prime is 12240223. The next prime is 12240271. The reversal of 12240227 is 72204221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12240227 - 2² = 12240223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12240199 and 12240208.

It is not a weakly prime, because it can be changed into another prime (12240223) 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, 6120113 + 6120114.

It is an arithmetic number, because the mean of its divisors is an integer number (6120114).

Almost surely, 2^12240227 is an apocalyptic number.

12240227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240227 is an equidigital number, since it uses as much as digits as its factorization.

12240227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12240227 is about 3498.6035785725. The cubic root of 12240227 is about 230.4604951723.

Adding to 12240227 its reverse (72204221), we get a palindrome (84444448).

The spelling of 12240227 in words is "twelve million, two hundred forty thousand, two hundred twenty-seven".