22110244240 has 80 divisors (see below), whose sum is σ = 59089932288. Its totient is φ = 7536803328.

The previous prime is 22110244229. The next prime is 22110244271. The reversal of 22110244240 is 4244201122.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17232 + ... + 210991.

Almost surely, 2^22110244240 is an apocalyptic number.

22110244240 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 22110244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29544966144).

22110244240 is an abundant number, since it is smaller than the sum of its proper divisors (36979688048).

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

22110244240 is a wasteful number, since it uses less digits than its factorization.

22110244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228416 (or 228410 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22110244240 its reverse (4244201122), we get a palindrome (26354445362).

The spelling of 22110244240 in words is "twenty-two billion, one hundred ten million, two hundred forty-four thousand, two hundred forty".