1224424 has 16 divisors (see below), whose sum is σ = 2352420. Its totient is φ = 597120.

The previous prime is 1224413. The next prime is 1224437. The reversal of 1224424 is 4244221.

It can be written as a sum of positive squares in 2 ways, for example, as 1144900 + 79524 = 1070^2 + 282^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1539 + ... + 2194.

2^1224424 is an apocalyptic number.

It is an amenable number.

1224424 is a deficient number, since it is larger than the sum of its proper divisors (1127996).

1224424 is a wasteful number, since it uses less digits than its factorization.

1224424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780 (or 3776 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 1224424 is about 1106.5369401877. The cubic root of 1224424 is about 106.9819750113.

Adding to 1224424 its reverse (4244221), we get a palindrome (5468645).

The spelling of 1224424 in words is "one million, two hundred twenty-four thousand, four hundred twenty-four".