22660040008 has 8 divisors (see below), whose sum is σ = 42487575030. Its totient is φ = 11330020000.

The previous prime is 22660039957. The next prime is 22660040009. The reversal of 22660040008 is 80004006622.

It can be written as a sum of positive squares in only one way, i.e., 12263790564 + 10396249444 = 110742^2 + 101962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22660040009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416252493 + ... + 1416252508.

Almost surely, 2^22660040008 is an apocalyptic number.

It is an amenable number.

22660040008 is a deficient number, since it is larger than the sum of its proper divisors (19827535022).

22660040008 is a wasteful number, since it uses less digits than its factorization.

22660040008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832505007 (or 2832505003 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 22660040008 in words is "twenty-two billion, six hundred sixty million, forty thousand, eight".