22330236 has 12 divisors (see below), whose sum is σ = 52103912. Its totient is φ = 7443408.

The previous prime is 22330223. The next prime is 22330247. The reversal of 22330236 is 63203322.

It is a tau number, because it is divible by the number of its divisors (12).

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, 930415 + ... + 930438.

Almost surely, 2^22330236 is an apocalyptic number.

It is an amenable number.

22330236 is an abundant number, since it is smaller than the sum of its proper divisors (29773676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22330236 is a wasteful number, since it uses less digits than its factorization.

22330236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860860 (or 1860858 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 22330236 is about 4725.4879113167. The cubic root of 22330236 is about 281.5989974730.

Adding to 22330236 its reverse (63203322), we get a palindrome (85533558).

The spelling of 22330236 in words is "twenty-two million, three hundred thirty thousand, two hundred thirty-six".