22017447212 has 6 divisors (see below), whose sum is σ = 38530532628. Its totient is φ = 11008723604.

The previous prime is 22017447211. The next prime is 22017447229. The reversal of 22017447212 is 21274471022.

It is not an unprimeable number, because it can be changed into a prime (22017447211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752180898 + ... + 2752180905.

It is an arithmetic number, because the mean of its divisors is an integer number (6421755438).

Almost surely, 2^22017447212 is an apocalyptic number.

It is an amenable number.

22017447212 is a deficient number, since it is larger than the sum of its proper divisors (16513085416).

22017447212 is a wasteful number, since it uses less digits than its factorization.

22017447212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504361807 (or 5504361805 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 22017447212 in words is "twenty-two billion, seventeen million, four hundred forty-seven thousand, two hundred twelve".