2244013644 has 48 divisors (see below), whose sum is σ = 5316433920. Its totient is φ = 736569600.

The previous prime is 2244013633. The next prime is 2244013679. The reversal of 2244013644 is 4463104422.

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, 377197 + ... + 383099.

It is an arithmetic number, because the mean of its divisors is an integer number (110759040).

Almost surely, 2^2244013644 is an apocalyptic number.

It is an amenable number.

2244013644 is an abundant number, since it is smaller than the sum of its proper divisors (3072420276).

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

2244013644 is a wasteful number, since it uses less digits than its factorization.

2244013644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390 (or 6388 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2244013644 is about 47371.0211416220. The cubic root of 2244013644 is about 1309.2075396701.

The spelling of 2244013644 in words is "two billion, two hundred forty-four million, thirteen thousand, six hundred forty-four".