2212447 has 2 divisors, whose sum is σ = 2212448. Its totient is φ = 2212446.

The previous prime is 2212433. The next prime is 2212453. The reversal of 2212447 is 7442122.

It is a happy number.

2212447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212447 - 2¹⁵ = 2179679 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 (2212477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106223 + 1106224.

It is an arithmetic number, because the mean of its divisors is an integer number (1106224).

2^2212447 is an apocalyptic number.

2212447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212447 is an equidigital number, since it uses as much as digits as its factorization.

2212447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 22.

The square root of 2212447 is about 1487.4296622026. The cubic root of 2212447 is about 130.3039632817.

Adding to 2212447 its reverse (7442122), we get a palindrome (9654569).

The spelling of 2212447 in words is "two million, two hundred twelve thousand, four hundred forty-seven".