22643186568468 has 48 divisors (see below), whose sum is σ = 54871736754240. Its totient is φ = 7261222281984.

The previous prime is 22643186568463. The next prime is 22643186568473. The reversal of 22643186568468 is 86486568134622.

It is an interprime number because it is at equal distance from previous prime (22643186568463) and next prime (22643186568473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22643186568463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286467046 + ... + 286546077.

It is an arithmetic number, because the mean of its divisors is an integer number (1143161182380).

Almost surely, 2^{22643186568468} is an apocalyptic number.

It is an amenable number.

22643186568468 is an abundant number, since it is smaller than the sum of its proper divisors (32228550185772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22643186568468 is a wasteful number, since it uses less digits than its factorization.

22643186568468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573013256 (or 573013254 counting only the distinct ones).

The product of its digits is 637009920, while the sum is 69.

The spelling of 22643186568468 in words is "twenty-two trillion, six hundred forty-three billion, one hundred eighty-six million, five hundred sixty-eight thousand, four hundred sixty-eight".