2244644544 has 56 divisors (see below), whose sum is σ = 6143762160. Its totient is φ = 722412544.

The previous prime is 2244644537. The next prime is 2244644561. The reversal of 2244644544 is 4454464422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195999 + ... + 207134.

Almost surely, 2^2244644544 is an apocalyptic number.

2244644544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2244644544 is an abundant number, since it is smaller than the sum of its proper divisors (3899117616).

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

2244644544 is a wasteful number, since it uses less digits than its factorization.

2244644544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403177 (or 403167 counting only the distinct ones).

The product of its digits is 491520, while the sum is 39.

The square root of 2244644544 is about 47377.6798081122. The cubic root of 2244644544 is about 1309.3302218775.

The spelling of 2244644544 in words is "two billion, two hundred forty-four million, six hundred forty-four thousand, five hundred forty-four".