22109532 has 24 divisors (see below), whose sum is σ = 53832576. Its totient is φ = 7049328.

The previous prime is 22109491. The next prime is 22109539. The reversal of 22109532 is 23590122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22109539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39778 + ... + 40329.

It is an arithmetic number, because the mean of its divisors is an integer number (2243024).

Almost surely, 2^22109532 is an apocalyptic number.

It is an amenable number.

22109532 is an abundant number, since it is smaller than the sum of its proper divisors (31723044).

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

22109532 is a wasteful number, since it uses less digits than its factorization.

22109532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80137 (or 80135 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 22109532 is about 4702.0774132292. The cubic root of 22109532 is about 280.6681831122.

Adding to 22109532 its reverse (23590122), we get a palindrome (45699654).

The spelling of 22109532 in words is "twenty-two million, one hundred nine thousand, five hundred thirty-two".