22389108 has 96 divisors (see below), whose sum is σ = 62705664. Its totient is φ = 6085248.

The previous prime is 22389083. The next prime is 22389113. The reversal of 22389108 is 80198322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209191 + ... + 209297.

It is an arithmetic number, because the mean of its divisors is an integer number (653184).

Almost surely, 2^22389108 is an apocalyptic number.

22389108 is a gapful number since it is divisible by the number (28) 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 22389108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31352832).

22389108 is an abundant number, since it is smaller than the sum of its proper divisors (40316556).

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

22389108 is a wasteful number, since it uses less digits than its factorization.

22389108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 22389108 is about 4731.7130090486. The cubic root of 22389108 is about 281.8462518882.

The spelling of 22389108 in words is "twenty-two million, three hundred eighty-nine thousand, one hundred eight".