22908132 has 72 divisors (see below), whose sum is σ = 64413440. Its totient is φ = 6816960.

The previous prime is 22908131. The next prime is 22908191. The reversal of 22908132 is 23180922.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22908096 and 22908105.

It is not an unprimeable number, because it can be changed into a prime (22908131) 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 23 ways as a sum of consecutive naturals, for example, 13719 + ... + 15297.

Almost surely, 2^22908132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22908132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32206720).

22908132 is an abundant number, since it is smaller than the sum of its proper divisors (41505308).

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

22908132 is a wasteful number, since it uses less digits than its factorization.

22908132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22908132 is about 4786.2440389098. The cubic root of 22908132 is about 284.0075545170.

The spelling of 22908132 in words is "twenty-two million, nine hundred eight thousand, one hundred thirty-two".