2228381344 has 96 divisors (see below), whose sum is σ = 5250510720. Its totient is φ = 910758912.

The previous prime is 2228381333. The next prime is 2228381359. The reversal of 2228381344 is 4431838222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537102 + ... + 541234.

It is an arithmetic number, because the mean of its divisors is an integer number (54692820).

Almost surely, 2^2228381344 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 2228381344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625255360).

2228381344 is an abundant number, since it is smaller than the sum of its proper divisors (3022129376).

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

2228381344 is a wasteful number, since it uses less digits than its factorization.

2228381344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4254 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 2228381344 is about 47205.7342279516. The cubic root of 2228381344 is about 1306.1603756064.

The spelling of 2228381344 in words is "two billion, two hundred twenty-eight million, three hundred eighty-one thousand, three hundred forty-four".