2224447 has 2 divisors, whose sum is σ = 2224448. Its totient is φ = 2224446.

The previous prime is 2224441. The next prime is 2224457. The reversal of 2224447 is 7444222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224447 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224441) 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, 1112223 + 1112224.

It is an arithmetic number, because the mean of its divisors is an integer number (1112224).

2^2224447 is an apocalyptic number.

2224447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224447 is an equidigital number, since it uses as much as digits as its factorization.

2224447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 25.

The square root of 2224447 is about 1491.4580114774. The cubic root of 2224447 is about 130.5391220668.

Adding to 2224447 its reverse (7444222), we get a palindrome (9668669).

The spelling of 2224447 in words is "two million, two hundred twenty-four thousand, four hundred forty-seven".