22105208 has 32 divisors (see below), whose sum is σ = 45532800. Its totient is φ = 10014048.

The previous prime is 22105207. The next prime is 22105217. The reversal of 22105208 is 80250122.

It is a self number, because there is not a number n which added to its sum of digits gives 22105208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (1422900).

Almost surely, 2^22105208 is an apocalyptic number.

It is an amenable number.

22105208 is an abundant number, since it is smaller than the sum of its proper divisors (23427592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22105208 is a wasteful number, since it uses less digits than its factorization.

22105208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 22105208 is about 4701.6175939776. The cubic root of 22105208 is about 280.6498849961.

The spelling of 22105208 in words is "twenty-two million, one hundred five thousand, two hundred eight".