22331663 has 8 divisors (see below), whose sum is σ = 22915200. Its totient is φ = 21751128.

The previous prime is 22331651. The next prime is 22331671. The reversal of 22331663 is 36613322.

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

It is a cyclic number.

It is not a de Polignac number, because 22331663 - 2¹² = 22327567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26198 + ... + 27036.

It is an arithmetic number, because the mean of its divisors is an integer number (2864400).

Almost surely, 2^22331663 is an apocalyptic number.

22331663 is a deficient number, since it is larger than the sum of its proper divisors (583537).

22331663 is an equidigital number, since it uses as much as digits as its factorization.

22331663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501.

The product of its digits is 3888, while the sum is 26.

The square root of 22331663 is about 4725.6388986041. The cubic root of 22331663 is about 281.6049958155.

Adding to 22331663 its reverse (36613322), we get a palindrome (58944985).

The spelling of 22331663 in words is "twenty-two million, three hundred thirty-one thousand, six hundred sixty-three".