2247943880 has 128 divisors (see below), whose sum is σ = 6393703680. Its totient is φ = 692167680.

The previous prime is 2247943853. The next prime is 2247943909. The reversal of 2247943880 is 883497422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126335 + ... + 143025.

It is an arithmetic number, because the mean of its divisors is an integer number (49950810).

Almost surely, 2^2247943880 is an apocalyptic number.

2247943880 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 2247943880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196851840).

2247943880 is an abundant number, since it is smaller than the sum of its proper divisors (4145759800).

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

2247943880 is a wasteful number, since it uses less digits than its factorization.

2247943880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16759 (or 16755 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 2247943880 is about 47412.4865409947. The cubic root of 2247943880 is about 1309.9714229533.

The spelling of 2247943880 in words is "two billion, two hundred forty-seven million, nine hundred forty-three thousand, eight hundred eighty".