2220243312 has 240 divisors, whose sum is σ = 7082022912. Its totient is φ = 596574720.

The previous prime is 2220243287. The next prime is 2220243317. The reversal of 2220243312 is 2133420222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220243317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2697333 + ... + 2698155.

Almost surely, 2^2220243312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220243312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3541011456).

2220243312 is an abundant number, since it is smaller than the sum of its proper divisors (4861779600).

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

2220243312 is a wasteful number, since it uses less digits than its factorization.

2220243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2220243312 is about 47119.4578916184. The cubic root of 2220243312 is about 1304.5684067708.

Adding to 2220243312 its reverse (2133420222), we get a palindrome (4353663534).

The spelling of 2220243312 in words is "two billion, two hundred twenty million, two hundred forty-three thousand, three hundred twelve".