22003412 has 12 divisors (see below), whose sum is σ = 38598336. Its totient is φ = 10975320.

The previous prime is 22003411. The next prime is 22003417. The reversal of 22003412 is 21430022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (3216528).

Almost surely, 2^22003412 is an apocalyptic number.

It is an amenable number.

22003412 is a deficient number, since it is larger than the sum of its proper divisors (16594924).

22003412 is a wasteful number, since it uses less digits than its factorization.

22003412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198 (or 13196 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22003412 is about 4690.7794661442. The cubic root of 22003412 is about 280.2184180110.

Adding to 22003412 its reverse (21430022), we get a palindrome (43433434).

The spelling of 22003412 in words is "twenty-two million, three thousand, four hundred twelve".