22009336 has 16 divisors (see below), whose sum is σ = 41391000. Its totient is φ = 10971744.

The previous prime is 22009331. The next prime is 22009343. The reversal of 22009336 is 63390022.

It is a self number, because there is not a number n which added to its sum of digits gives 22009336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22009331) 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, 1150 + ... + 6733.

Almost surely, 2^22009336 is an apocalyptic number.

It is an amenable number.

22009336 is a deficient number, since it is larger than the sum of its proper divisors (19381664).

22009336 is a wasteful number, since it uses less digits than its factorization.

22009336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238 (or 8234 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 22009336 is about 4691.4108752059. The cubic root of 22009336 is about 280.2435635801.

Adding to 22009336 its reverse (63390022), we get a palindrome (85399358).

The spelling of 22009336 in words is "twenty-two million, nine thousand, three hundred thirty-six".