22022043566636 has 12 divisors (see below), whose sum is σ = 38539806664128. Its totient is φ = 11010670234032.

The previous prime is 22022043566609. The next prime is 22022043566641. The reversal of 22022043566636 is 63666534022022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87746351 + ... + 87996966.

It is an arithmetic number, because the mean of its divisors is an integer number (3211650555344).

Almost surely, 2^{22022043566636} is an apocalyptic number.

It is an amenable number.

22022043566636 is a deficient number, since it is larger than the sum of its proper divisors (16517763097492).

22022043566636 is a wasteful number, since it uses less digits than its factorization.

22022043566636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175774648 (or 175774646 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 47.

Adding to 22022043566636 its reverse (63666534022022), we get a palindrome (85688577588658).

The spelling of 22022043566636 in words is "twenty-two trillion, twenty-two billion, forty-three million, five hundred sixty-six thousand, six hundred thirty-six".