22234436663 has 12 divisors (see below), whose sum is σ = 23713458552. Its totient is φ = 20843088000.

The previous prime is 22234436639. The next prime is 22234436699. The reversal of 22234436663 is 36663443222.

It is not a de Polignac number, because 22234436663 - 2¹⁸ = 22234174519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22234436663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234436363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80720 + ... + 225797.

It is an arithmetic number, because the mean of its divisors is an integer number (1976121546).

Almost surely, 2^22234436663 is an apocalyptic number.

22234436663 is a deficient number, since it is larger than the sum of its proper divisors (1479021889).

22234436663 is a wasteful number, since it uses less digits than its factorization.

22234436663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306802 (or 306785 counting only the distinct ones).

The product of its digits is 746496, while the sum is 41.

Adding to 22234436663 its reverse (36663443222), we get a palindrome (58897879885).

The spelling of 22234436663 in words is "twenty-two billion, two hundred thirty-four million, four hundred thirty-six thousand, six hundred sixty-three".