2221044340043 has 4 divisors (see below), whose sum is σ = 2249158825440. Its totient is φ = 2192929854648.

The previous prime is 2221044340033. The next prime is 2221044340063. The reversal of 2221044340043 is 3400434401222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221044340043 - 2¹⁶ = 2221044274507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221044339988 and 2221044340015.

It is not an unprimeable number, because it can be changed into a prime (2221044340033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14057242580 + ... + 14057242737.

It is an arithmetic number, because the mean of its divisors is an integer number (562289706360).

Almost surely, 2^{2221044340043} is an apocalyptic number.

2221044340043 is a deficient number, since it is larger than the sum of its proper divisors (28114485397).

2221044340043 is an equidigital number, since it uses as much as digits as its factorization.

2221044340043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28114485396.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2221044340043 its reverse (3400434401222), we get a palindrome (5621478741265).

The spelling of 2221044340043 in words is "two trillion, two hundred twenty-one billion, forty-four million, three hundred forty thousand, forty-three".