22205236 has 12 divisors (see below), whose sum is σ = 38902528. Its totient is φ = 11090232.

The previous prime is 22205203. The next prime is 22205237. The reversal of 22205236 is 63250222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205237) 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, 1795 + ... + 6901.

Almost surely, 2^22205236 is an apocalyptic number.

It is an amenable number.

22205236 is a deficient number, since it is larger than the sum of its proper divisors (16697292).

22205236 is a wasteful number, since it uses less digits than its factorization.

22205236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198 (or 6196 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22205236 is about 4712.2432025523. The cubic root of 22205236 is about 281.0725698343.

Adding to 22205236 its reverse (63250222), we get a palindrome (85455458).

The spelling of 22205236 in words is "twenty-two million, two hundred five thousand, two hundred thirty-six".