22055440100666 has 16 divisors (see below), whose sum is σ = 38183675650560. Its totient is φ = 9358744030800.

The previous prime is 22055440100653. The next prime is 22055440100689. The reversal of 22055440100666 is 66600104455022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7798951946 + ... + 7798954773.

It is an arithmetic number, because the mean of its divisors is an integer number (2386479728160).

Almost surely, 2^{22055440100666} is an apocalyptic number.

22055440100666 is a deficient number, since it is larger than the sum of its proper divisors (16128235549894).

22055440100666 is a wasteful number, since it uses less digits than its factorization.

22055440100666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597906829.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 22055440100666 its reverse (66600104455022), we get a palindrome (88655544555688).

The spelling of 22055440100666 in words is "twenty-two trillion, fifty-five billion, four hundred forty million, one hundred thousand, six hundred sixty-six".