22231104 has 168 divisors, whose sum is σ = 72969120. Its totient is φ = 5935104.

The previous prime is 22231067. The next prime is 22231147. The reversal of 22231104 is 40113222.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159867 + ... + 160005.

It is an arithmetic number, because the mean of its divisors is an integer number (434340).

Almost surely, 2^22231104 is an apocalyptic number.

22231104 is a gapful number since it is divisible by the number (24) 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 22231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36484560).

22231104 is an abundant number, since it is smaller than the sum of its proper divisors (50738016).

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

22231104 is a wasteful number, since it uses less digits than its factorization.

22231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22231104 is about 4714.9871685934. The cubic root of 22231104 is about 281.1816726858.

Adding to 22231104 its reverse (40113222), we get a palindrome (62344326).

The spelling of 22231104 in words is "twenty-two million, two hundred thirty-one thousand, one hundred four".