22112266668 has 24 divisors (see below), whose sum is σ = 51600276672. Its totient is φ = 7370043024.

The previous prime is 22112266667. The next prime is 22112266681. The reversal of 22112266668 is 86666221122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22112266663) 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, 48771 + ... + 215877.

It is an arithmetic number, because the mean of its divisors is an integer number (2150011528).

Almost surely, 2^22112266668 is an apocalyptic number.

It is an amenable number.

22112266668 is an abundant number, since it is smaller than the sum of its proper divisors (29488010004).

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

22112266668 is a wasteful number, since it uses less digits than its factorization.

22112266668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178141 (or 178139 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The spelling of 22112266668 in words is "twenty-two billion, one hundred twelve million, two hundred sixty-six thousand, six hundred sixty-eight".