2244484788 has 144 divisors (see below), whose sum is σ = 6585223680. Its totient is φ = 589752576.

The previous prime is 2244484769. The next prime is 2244484799. The reversal of 2244484788 is 8874844422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2244484788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3661170 + ... + 3661782.

It is an arithmetic number, because the mean of its divisors is an integer number (45730720).

Almost surely, 2^2244484788 is an apocalyptic number.

2244484788 is a gapful number since it is divisible by the number (28) 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 2244484788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3292611840).

2244484788 is an abundant number, since it is smaller than the sum of its proper divisors (4340738892).

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

2244484788 is a wasteful number, since it uses less digits than its factorization.

2244484788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1117 counting only the distinct ones).

The product of its digits is 3670016, while the sum is 51.

The square root of 2244484788 is about 47375.9937943258. The cubic root of 2244484788 is about 1309.2991585595.

The spelling of 2244484788 in words is "two billion, two hundred forty-four million, four hundred eighty-four thousand, seven hundred eighty-eight".