22131571208 has 16 divisors (see below), whose sum is σ = 41541864000. Its totient is φ = 11053740816.

The previous prime is 22131571199. The next prime is 22131571237. The reversal of 22131571208 is 80217513122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1497788 + ... + 1512491.

It is an arithmetic number, because the mean of its divisors is an integer number (2596366500).

Almost surely, 2^22131571208 is an apocalyptic number.

It is an amenable number.

22131571208 is a deficient number, since it is larger than the sum of its proper divisors (19410292792).

22131571208 is a wasteful number, since it uses less digits than its factorization.

22131571208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011204 (or 3011200 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 22131571208 in words is "twenty-two billion, one hundred thirty-one million, five hundred seventy-one thousand, two hundred eight".