22916666691 has 40 divisors (see below), whose sum is σ = 35775235584. Its totient is φ = 14604876720.

The previous prime is 22916666677. The next prime is 22916666749. The reversal of 22916666691 is 19666661922.

It is not a de Polignac number, because 22916666691 - 2¹¹ = 22916664643 is a prime.

It is a super-2 number, since 2×22916666691² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22916666651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93706 + ... + 233696.

Almost surely, 2^22916666691 is an apocalyptic number.

22916666691 is a deficient number, since it is larger than the sum of its proper divisors (12858568893).

22916666691 is a wasteful number, since it uses less digits than its factorization.

22916666691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140093 (or 140084 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The spelling of 22916666691 in words is "twenty-two billion, nine hundred sixteen million, six hundred sixty-six thousand, six hundred ninety-one".