1424224 has 12 divisors (see below), whose sum is σ = 2804004. Its totient is φ = 712096.

The previous prime is 1424191. The next prime is 1424231. The reversal of 1424224 is 4224241.

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 as a sum of consecutive naturals, namely, 22222 + ... + 22285.

It is an arithmetic number, because the mean of its divisors is an integer number (233667).

2^1424224 is an apocalyptic number.

It is an amenable number.

1424224 is a deficient number, since it is larger than the sum of its proper divisors (1379780).

1424224 is an equidigital number, since it uses as much as digits as its factorization.

1424224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44517 (or 44509 counting only the distinct ones).

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

The square root of 1424224 is about 1193.4085637367. The cubic root of 1424224 is about 112.5104253713.

Adding to 1424224 its reverse (4224241), we get a palindrome (5648465).

The spelling of 1424224 in words is "one million, four hundred twenty-four thousand, two hundred twenty-four".