22445112005505 has 24 divisors (see below), whose sum is σ = 44462698068672. Its totient is φ = 10260622630944.

The previous prime is 22445112005467. The next prime is 22445112005507. The reversal of 22445112005505 is 50550021154422.

22445112005505 is a `hidden beast` number, since 2 + 2 + 44 + 51 + 12 + 0 + 0 + 550 + 5 = 666.

It is not a de Polignac number, because 22445112005505 - 2⁸ = 22445112005249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22445112005505.

It is not an unprimeable number, because it can be changed into a prime (22445112005507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35627161599 + ... + 35627162228.

It is an arithmetic number, because the mean of its divisors is an integer number (1852612419528).

Almost surely, 2^{22445112005505} is an apocalyptic number.

It is an amenable number.

22445112005505 is a deficient number, since it is larger than the sum of its proper divisors (22017586063167).

22445112005505 is a wasteful number, since it uses less digits than its factorization.

22445112005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71254323845 (or 71254323842 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 22445112005505 its reverse (50550021154422), we get a palindrome (72995133159927).

The spelling of 22445112005505 in words is "twenty-two trillion, four hundred forty-five billion, one hundred twelve million, five thousand, five hundred five".