22109132 has 12 divisors (see below), whose sum is σ = 38987256. Its totient is φ = 10969920.

The previous prime is 22109123. The next prime is 22109149. The reversal of 22109132 is 23190122.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20573 + ... + 21620.

It is an arithmetic number, because the mean of its divisors is an integer number (3248938).

Almost surely, 2^22109132 is an apocalyptic number.

It is an amenable number.

22109132 is a deficient number, since it is larger than the sum of its proper divisors (16878124).

22109132 is a wasteful number, since it uses less digits than its factorization.

22109132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42328 (or 42326 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 22109132 is about 4702.0348786456. The cubic root of 22109132 is about 280.6664905097. Note that the first 3 decimals are identical.

Adding to 22109132 its reverse (23190122), we get a palindrome (45299254).

The spelling of 22109132 in words is "twenty-two million, one hundred nine thousand, one hundred thirty-two".