22143636488 has 32 divisors (see below), whose sum is σ = 45211608000. Its totient is φ = 10127396160.

The previous prime is 22143636481. The next prime is 22143636491. The reversal of 22143636488 is 88463634122.

It is not an unprimeable number, because it can be changed into a prime (22143636481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2507348 + ... + 2516163.

It is an arithmetic number, because the mean of its divisors is an integer number (1412862750).

Almost surely, 2^22143636488 is an apocalyptic number.

It is an amenable number.

22143636488 is an abundant number, since it is smaller than the sum of its proper divisors (23067971512).

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

22143636488 is a wasteful number, since it uses less digits than its factorization.

22143636488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023565 (or 5023561 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 47.

The spelling of 22143636488 in words is "twenty-two billion, one hundred forty-three million, six hundred thirty-six thousand, four hundred eighty-eight".