22105056 has 48 divisors (see below), whose sum is σ = 61084800. Its totient is φ = 6979968.

The previous prime is 22105051. The next prime is 22105063. The reversal of 22105056 is 65050122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105051) 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, 4236 + ... + 7883.

It is an arithmetic number, because the mean of its divisors is an integer number (1272600).

Almost surely, 2^22105056 is an apocalyptic number.

It is an amenable number.

22105056 is an abundant number, since it is smaller than the sum of its proper divisors (38979744).

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

22105056 is a wasteful number, since it uses less digits than its factorization.

22105056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151 (or 12143 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 22105056 is about 4701.6014293004. The cubic root of 22105056 is about 280.6492417257.

Adding to 22105056 its reverse (65050122), we get a palindrome (87155178).

The spelling of 22105056 in words is "twenty-two million, one hundred five thousand, fifty-six".