2243788800 has 384 divisors, whose sum is σ = 8191350720. Its totient is φ = 537395200.

The previous prime is 2243788777. The next prime is 2243788819. The reversal of 2243788800 is 88873422.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27033559 + ... + 27033641.

Almost surely, 2^2243788800 is an apocalyptic number.

2243788800 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 2243788800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4095675360).

2243788800 is an abundant number, since it is smaller than the sum of its proper divisors (5947561920).

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

2243788800 is an equidigital number, since it uses as much as digits as its factorization.

2243788800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 2243788800 is about 47368.6478591061. The cubic root of 2243788800 is about 1309.1638118771.

The spelling of 2243788800 in words is "two billion, two hundred forty-three million, seven hundred eighty-eight thousand, eight hundred".