22786667986 has 16 divisors (see below), whose sum is σ = 35516256768. Its totient is φ = 10952784000.

The previous prime is 22786667983. The next prime is 22786667987. The reversal of 22786667986 is 68976668722.

It is not an unprimeable number, because it can be changed into a prime (22786667983) 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, 1207615 + ... + 1226338.

It is an arithmetic number, because the mean of its divisors is an integer number (2219766048).

Almost surely, 2^22786667986 is an apocalyptic number.

22786667986 is a deficient number, since it is larger than the sum of its proper divisors (12729588782).

22786667986 is a wasteful number, since it uses less digits than its factorization.

22786667986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434137.

The product of its digits is 146313216, while the sum is 67.

The spelling of 22786667986 in words is "twenty-two billion, seven hundred eighty-six million, six hundred sixty-seven thousand, nine hundred eighty-six".