22112105 has 16 divisors (see below), whose sum is σ = 28585920. Its totient is φ = 16365888.

The previous prime is 22112099. The next prime is 22112107. The reversal of 22112105 is 50121122.

It is a cyclic number.

It is not a de Polignac number, because 22112105 - 2⁴ = 22112089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22112105.

It is not an unprimeable number, because it can be changed into a prime (22112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379 + ... + 6791.

It is an arithmetic number, because the mean of its divisors is an integer number (1786620).

Almost surely, 2^22112105 is an apocalyptic number.

It is an amenable number.

22112105 is a deficient number, since it is larger than the sum of its proper divisors (6473815).

22112105 is a wasteful number, since it uses less digits than its factorization.

22112105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 22112105 is about 4702.3510077407. The cubic root of 22112105 is about 280.6790702901.

Adding to 22112105 its reverse (50121122), we get a palindrome (72233227).

The spelling of 22112105 in words is "twenty-two million, one hundred twelve thousand, one hundred five".