2218284744 has 32 divisors (see below), whose sum is σ = 5972305920. Its totient is φ = 682549056.

The previous prime is 2218284707. The next prime is 2218284769. The reversal of 2218284744 is 4474828122.

It is a junction number, because it is equal to n+sod(n) for n = 2218284696 and 2218284705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3554632 + ... + 3555255.

It is an arithmetic number, because the mean of its divisors is an integer number (186634560).

Almost surely, 2^2218284744 is an apocalyptic number.

2218284744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2218284744 is an abundant number, since it is smaller than the sum of its proper divisors (3754021176).

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

2218284744 is a wasteful number, since it uses less digits than its factorization.

2218284744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109909 (or 7109905 counting only the distinct ones).

The product of its digits is 229376, while the sum is 42.

The square root of 2218284744 is about 47098.6702997017. The cubic root of 2218284744 is about 1304.1846894240.

The spelling of 2218284744 in words is "two billion, two hundred eighteen million, two hundred eighty-four thousand, seven hundred forty-four".