2201118240 has 144 divisors (see below), whose sum is σ = 7034174784. Its totient is φ = 578511360.

The previous prime is 2201118229. The next prime is 2201118247. The reversal of 2201118240 is 428111022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201118247) 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 23 ways as a sum of consecutive naturals, for example, 10431735 + ... + 10431945.

It is an arithmetic number, because the mean of its divisors is an integer number (48848436).

Almost surely, 2^2201118240 is an apocalyptic number.

2201118240 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 2201118240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3517087392).

2201118240 is an abundant number, since it is smaller than the sum of its proper divisors (4833056544).

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

2201118240 is a wasteful number, since it uses less digits than its factorization.

2201118240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 2201118240 is about 46916.0765623043. The cubic root of 2201118240 is about 1300.8117691293.

Adding to 2201118240 its reverse (428111022), we get a palindrome (2629229262).

The spelling of 2201118240 in words is "two billion, two hundred one million, one hundred eighteen thousand, two hundred forty".