1244224 has 14 divisors (see below), whose sum is σ = 2469134. Its totient is φ = 622080.

The previous prime is 1244203. The next prime is 1244233. The reversal of 1244224 is 4224421.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 322624 = 960^2 + 568^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9657 + ... + 9784.

2^1244224 is an apocalyptic number.

It is an amenable number.

1244224 is a deficient number, since it is larger than the sum of its proper divisors (1224910).

1244224 is an equidigital number, since it uses as much as digits as its factorization.

1244224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19453 (or 19443 counting only the distinct ones).

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

The square root of 1244224 is about 1115.4478921043. The cubic root of 1244224 is about 107.5555580852. Note that the first 5 decimals are identical.

Adding to 1244224 its reverse (4224421), we get a palindrome (5468645).

It can be divided in two parts, 124 and 4224, that multiplied together give a triangular number (523776 = T₁₀₂₃).

The spelling of 1244224 in words is "one million, two hundred forty-four thousand, two hundred twenty-four".