2241644644 has 12 divisors (see below), whose sum is σ = 3925421500. Its totient is φ = 1120095648.

The previous prime is 2241644641. The next prime is 2241644659. The reversal of 2241644644 is 4464461422.

It can be written as a sum of positive squares in 2 ways, for example, as 1375519744 + 866124900 = 37088^2 + 29430^2 .

It is not an unprimeable number, because it can be changed into a prime (2241644641) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 174699 + ... + 187090.

Almost surely, 2^2241644644 is an apocalyptic number.

It is an amenable number.

2241644644 is a deficient number, since it is larger than the sum of its proper divisors (1683776856).

2241644644 is a wasteful number, since it uses less digits than its factorization.

2241644644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363342 (or 363340 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

The square root of 2241644644 is about 47346.0098001933. The cubic root of 2241644644 is about 1308.7466683306.

The spelling of 2241644644 in words is "two billion, two hundred forty-one million, six hundred forty-four thousand, six hundred forty-four".