1224441 has 12 divisors (see below), whose sum is σ = 1816932. Its totient is φ = 794016.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224441 is 1444221.

1224441 is a `hidden beast` number, since 1 + 224 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 184041 = 1020^2 + 429^2 .

It is not a de Polignac number, because 1224441 - 2¹ = 1224439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1224481) 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 in 11 ways as a sum of consecutive naturals, for example, 1506 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (151411).

2^1224441 is an apocalyptic number.

It is an amenable number.

1224441 is a deficient number, since it is larger than the sum of its proper divisors (592491).

1224441 is a wasteful number, since it uses less digits than its factorization.

1224441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3717 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1224441 is about 1106.5446217844. The cubic root of 1224441 is about 106.9824701244.

Adding to 1224441 its reverse (1444221), we get a palindrome (2668662).

The spelling of 1224441 in words is "one million, two hundred twenty-four thousand, four hundred forty-one".