22099766671 has 4 divisors (see below), whose sum is σ = 22318576344. Its totient is φ = 21880957000.

The previous prime is 22099766657. The next prime is 22099766681. The reversal of 22099766671 is 17666799022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22099766671 - 2⁹ = 22099766159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22099766681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109404685 + ... + 109404886.

It is an arithmetic number, because the mean of its divisors is an integer number (5579644086).

Almost surely, 2^22099766671 is an apocalyptic number.

22099766671 is a deficient number, since it is larger than the sum of its proper divisors (218809673).

22099766671 is a wasteful number, since it uses less digits than its factorization.

22099766671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218809672.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 22099766671 in words is "twenty-two billion, ninety-nine million, seven hundred sixty-six thousand, six hundred seventy-one".