2241644643 has 48 divisors (see below), whose sum is σ = 3961401600. Its totient is φ = 1192916160.

The previous prime is 2241644641. The next prime is 2241644659. The reversal of 2241644643 is 3464461422.

2241644643 is a `hidden beast` number, since 2 + 2 + 4 + 1 + 6 + 4 + 4 + 643 = 666.

It is not a de Polignac number, because 2241644643 - 2¹ = 2241644641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2241644598 and 2241644607.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54753 + ... + 86493.

It is an arithmetic number, because the mean of its divisors is an integer number (82529200).

Almost surely, 2^2241644643 is an apocalyptic number.

2241644643 is a deficient number, since it is larger than the sum of its proper divisors (1719756957).

2241644643 is a wasteful number, since it uses less digits than its factorization.

2241644643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31832 (or 31829 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 2241644643 is about 47346.0097896327. The cubic root of 2241644643 is about 1308.7466681360.

The spelling of 2241644643 in words is "two billion, two hundred forty-one million, six hundred forty-four thousand, six hundred forty-three".