1100224 has 14 divisors (see below), whose sum is σ = 2183384. Its totient is φ = 550080.

The previous prime is 1100219. The next prime is 1100243. The reversal of 1100224 is 4220011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8532 + ... + 8659.

It is an arithmetic number, because the mean of its divisors is an integer number (155956).

2^1100224 is an apocalyptic number.

It is an amenable number.

1100224 is a deficient number, since it is larger than the sum of its proper divisors (1083160).

1100224 is an equidigital number, since it uses as much as digits as its factorization.

1100224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17203 (or 17193 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1100224 is about 1048.9156305442. The cubic root of 1100224 is about 103.2350180624.

Adding to 1100224 its reverse (4220011), we get a palindrome (5320235).

It can be divided in two parts, 11002 and 24, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 1100224 in words is "one million, one hundred thousand, two hundred twenty-four".