22368646679 has 4 divisors (see below), whose sum is σ = 22368961776. Its totient is φ = 22368331584.

The previous prime is 22368646673. The next prime is 22368646693. The reversal of 22368646679 is 97664686322.

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 not a de Polignac number, because 22368646679 - 2⁸ = 22368646423 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 (22368646673) 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, 4487 + ... + 211559.

It is an arithmetic number, because the mean of its divisors is an integer number (5592240444).

Almost surely, 2^22368646679 is an apocalyptic number.

22368646679 is a deficient number, since it is larger than the sum of its proper divisors (315097).

22368646679 is a wasteful number, since it uses less digits than its factorization.

22368646679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315096.

The product of its digits is 31352832, while the sum is 59.

The spelling of 22368646679 in words is "twenty-two billion, three hundred sixty-eight million, six hundred forty-six thousand, six hundred seventy-nine".