22003424 has 24 divisors (see below), whose sum is σ = 43491168. Its totient is φ = 10958080.

The previous prime is 22003417. The next prime is 22003439. The reversal of 22003424 is 42430022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7769 + ... + 10215.

It is an arithmetic number, because the mean of its divisors is an integer number (1812132).

Almost surely, 2^22003424 is an apocalyptic number.

It is an amenable number.

22003424 is a deficient number, since it is larger than the sum of its proper divisors (21487744).

22003424 is a wasteful number, since it uses less digits than its factorization.

22003424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22003424 is about 4690.7807452491. The cubic root of 22003424 is about 280.2184689519.

Adding to 22003424 its reverse (42430022), we get a palindrome (64433446).

The spelling of 22003424 in words is "twenty-two million, three thousand, four hundred twenty-four".