22166871856 has 10 divisors (see below), whose sum is σ = 42948314252. Its totient is φ = 11083435920.

The previous prime is 22166871847. The next prime is 22166871913. The reversal of 22166871856 is 65817866122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692714730 + ... + 692714761.

Almost surely, 2^22166871856 is an apocalyptic number.

It is an amenable number.

22166871856 is a deficient number, since it is larger than the sum of its proper divisors (20781442396).

22166871856 is a wasteful number, since it uses less digits than its factorization.

22166871856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385429499 (or 1385429493 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The spelling of 22166871856 in words is "twenty-two billion, one hundred sixty-six million, eight hundred seventy-one thousand, eight hundred fifty-six".