22090112 has 64 divisors (see below), whose sum is σ = 49755600. Its totient is φ = 9676800.

The previous prime is 22090111. The next prime is 22090121. The reversal of 22090112 is 21109022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22090111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40562 + ... + 41102.

Almost surely, 2^22090112 is an apocalyptic number.

22090112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22090112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24877800).

22090112 is an abundant number, since it is smaller than the sum of its proper divisors (27665488).

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

22090112 is a wasteful number, since it uses less digits than its factorization.

22090112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 22090112 is about 4700.0119148785. The cubic root of 22090112 is about 280.5859836829.

Adding to 22090112 its reverse (21109022), we get a palindrome (43199134).

The spelling of 22090112 in words is "twenty-two million, ninety thousand, one hundred twelve".