22363639444 has 24 divisors (see below), whose sum is σ = 40422427136. Its totient is φ = 10814796000.

The previous prime is 22363639429. The next prime is 22363639453. The reversal of 22363639444 is 44493636322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22363639394 and 22363639403.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 164089 + ... + 267679.

Almost surely, 2^22363639444 is an apocalyptic number.

It is an amenable number.

22363639444 is a deficient number, since it is larger than the sum of its proper divisors (18058787692).

22363639444 is a wasteful number, since it uses less digits than its factorization.

22363639444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105367 (or 105365 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 46.

The spelling of 22363639444 in words is "twenty-two billion, three hundred sixty-three million, six hundred thirty-nine thousand, four hundred forty-four".