22866667687 has 2 divisors, whose sum is σ = 22866667688. Its totient is φ = 22866667686.

The previous prime is 22866667673. The next prime is 22866667693. The reversal of 22866667687 is 78676666822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22866667687 - 2²³ = 22858279079 is a prime.

It is a super-2 number, since 2×22866667687² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22866667657) by changing a digit.

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, 11433333843 + 11433333844.

It is an arithmetic number, because the mean of its divisors is an integer number (11433333844).

Almost surely, 2^22866667687 is an apocalyptic number.

22866667687 is a deficient number, since it is larger than the sum of its proper divisors (1).

22866667687 is an equidigital number, since it uses as much as digits as its factorization.

22866667687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97542144, while the sum is 64.

The spelling of 22866667687 in words is "twenty-two billion, eight hundred sixty-six million, six hundred sixty-seven thousand, six hundred eighty-seven".