2243012320 has 96 divisors (see below), whose sum is σ = 5608673280. Its totient is φ = 845314560.

The previous prime is 2243012293. The next prime is 2243012323. The reversal of 2243012320 is 232103422.

It is a super-2 number, since 2×2243012320² = 10062208535343564800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243012323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578709 + ... + 582571.

It is an arithmetic number, because the mean of its divisors is an integer number (58423680).

Almost surely, 2^2243012320 is an apocalyptic number.

2243012320 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 2243012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804336640).

2243012320 is an abundant number, since it is smaller than the sum of its proper divisors (3365660960).

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

2243012320 is a wasteful number, since it uses less digits than its factorization.

2243012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2243012320 is about 47360.4510113660. The cubic root of 2243012320 is about 1309.0127791240.

Adding to 2243012320 its reverse (232103422), we get a palindrome (2475115742).

The spelling of 2243012320 in words is "two billion, two hundred forty-three million, twelve thousand, three hundred twenty".