22105105 has 16 divisors (see below), whose sum is σ = 29937600. Its totient is φ = 15520960.

The previous prime is 22105103. The next prime is 22105147. The reversal of 22105105 is 50150122.

It is not a de Polignac number, because 22105105 - 2¹ = 22105103 is a prime.

It is a super-2 number, since 2×22105105² = 977271334122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22105103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5335 + ... + 8524.

It is an arithmetic number, because the mean of its divisors is an integer number (1871100).

Almost surely, 2^22105105 is an apocalyptic number.

It is an amenable number.

22105105 is a deficient number, since it is larger than the sum of its proper divisors (7832495).

22105105 is a wasteful number, since it uses less digits than its factorization.

22105105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 22105105 is about 4701.6066402880. The cubic root of 22105105 is about 280.6494490961.

Adding to 22105105 its reverse (50150122), we get a palindrome (72255227).

The spelling of 22105105 in words is "twenty-two million, one hundred five thousand, one hundred five".