22056221105 has 8 divisors (see below), whose sum is σ = 27618224832. Its totient is φ = 16877803888.

The previous prime is 22056221081. The next prime is 22056221113. The reversal of 22056221105 is 50112265022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22056221105 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95896499 + ... + 95896728.

It is an arithmetic number, because the mean of its divisors is an integer number (3452278104).

Almost surely, 2^22056221105 is an apocalyptic number.

It is an amenable number.

22056221105 is a deficient number, since it is larger than the sum of its proper divisors (5562003727).

22056221105 is a wasteful number, since it uses less digits than its factorization.

22056221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191793255.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 22056221105 its reverse (50112265022), we get a palindrome (72168486127).

The spelling of 22056221105 in words is "twenty-two billion, fifty-six million, two hundred twenty-one thousand, one hundred five".