22665360650 has 12 divisors (see below), whose sum is σ = 42157570902. Its totient is φ = 9066144240.

The previous prime is 22665360643. The next prime is 22665360671. The reversal of 22665360650 is 5606356622.

It can be written as a sum of positive squares in 3 ways, for example, as 12394146241 + 10271214409 = 111329^2 + 101347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22665360598 and 22665360607.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 226653557 + ... + 226653656.

Almost surely, 2^22665360650 is an apocalyptic number.

22665360650 is a deficient number, since it is larger than the sum of its proper divisors (19492210252).

22665360650 is a wasteful number, since it uses less digits than its factorization.

22665360650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453307225 (or 453307220 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 22665360650 in words is "twenty-two billion, six hundred sixty-five million, three hundred sixty thousand, six hundred fifty".