22356663 has 16 divisors (see below), whose sum is σ = 34383360. Its totient is φ = 12656736.

The previous prime is 22356637. The next prime is 22356679. The reversal of 22356663 is 36665322.

It is not a de Polignac number, because 22356663 - 2¹⁰ = 22355639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22356613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595 + ... + 7172.

It is an arithmetic number, because the mean of its divisors is an integer number (2148960).

Almost surely, 2^22356663 is an apocalyptic number.

22356663 is a deficient number, since it is larger than the sum of its proper divisors (12026697).

22356663 is a wasteful number, since it uses less digits than its factorization.

22356663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886.

The product of its digits is 38880, while the sum is 33.

The square root of 22356663 is about 4728.2833036949. The cubic root of 22356663 is about 281.7100409767.

The spelling of 22356663 in words is "twenty-two million, three hundred fifty-six thousand, six hundred sixty-three".