22440160 has 48 divisors (see below), whose sum is σ = 53449200. Its totient is φ = 8902656.

The previous prime is 22440149. The next prime is 22440163. The reversal of 22440160 is 6104422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21736 + ... + 22744.

It is an arithmetic number, because the mean of its divisors is an integer number (1113525).

Almost surely, 2^22440160 is an apocalyptic number.

22440160 is a gapful number since it is divisible by the number (20) 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 22440160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26724600).

22440160 is an abundant number, since it is smaller than the sum of its proper divisors (31009040).

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

22440160 is a wasteful number, since it uses less digits than its factorization.

22440160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22440160 is about 4737.1046009139. The cubic root of 22440160 is about 282.0603127037.

Adding to 22440160 its reverse (6104422), we get a palindrome (28544582).

The spelling of 22440160 in words is "twenty-two million, four hundred forty thousand, one hundred sixty".