1224443 has 8 divisors (see below), whose sum is σ = 1346160. Its totient is φ = 1104480.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224443 is 3444221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224443 - 2² = 1224439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (168270).

2^1224443 is an apocalyptic number.

1224443 is a deficient number, since it is larger than the sum of its proper divisors (121717).

1224443 is a wasteful number, since it uses less digits than its factorization.

1224443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its digits is 768, while the sum is 20.

The square root of 1224443 is about 1106.5455254982. The cubic root of 1224443 is about 106.9825283727.

Adding to 1224443 its reverse (3444221), we get a palindrome (4668664).

The spelling of 1224443 in words is "one million, two hundred twenty-four thousand, four hundred forty-three".