22663964347 has 4 divisors (see below), whose sum is σ = 22664274336. Its totient is φ = 22663654360.

The previous prime is 22663964303. The next prime is 22663964353. The reversal of 22663964347 is 74346936622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22663964347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22663964294 and 22663964303.

It is not an unprimeable number, because it can be changed into a prime (22663934347) 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, 22197 + ... + 214057.

It is an arithmetic number, because the mean of its divisors is an integer number (5666068584).

Almost surely, 2^22663964347 is an apocalyptic number.

22663964347 is a deficient number, since it is larger than the sum of its proper divisors (309989).

22663964347 is a wasteful number, since it uses less digits than its factorization.

22663964347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309988.

The product of its digits is 7838208, while the sum is 52.

The spelling of 22663964347 in words is "twenty-two billion, six hundred sixty-three million, nine hundred sixty-four thousand, three hundred forty-seven".