22008866 has 8 divisors (see below), whose sum is σ = 36014544. Its totient is φ = 10004020.

The previous prime is 22008851. The next prime is 22008869. The reversal of 22008866 is 66880022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22008869) 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, 500180 + ... + 500223.

It is an arithmetic number, because the mean of its divisors is an integer number (4501818).

Almost surely, 2^22008866 is an apocalyptic number.

22008866 is a deficient number, since it is larger than the sum of its proper divisors (14005678).

22008866 is a wasteful number, since it uses less digits than its factorization.

22008866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000416.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 22008866 is about 4691.3607833975. The cubic root of 22008866 is about 280.2415687386.

Adding to 22008866 its reverse (66880022), we get a palindrome (88888888).

The spelling of 22008866 in words is "twenty-two million, eight thousand, eight hundred sixty-six".