2221143444613 has 8 divisors (see below), whose sum is σ = 2256745155840. Its totient is φ = 2185778290080.

The previous prime is 2221143444607. The next prime is 2221143444643. The reversal of 2221143444613 is 3164443411222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221143444613 - 2⁹ = 2221143444101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221143444643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59120245 + ... + 59157802.

It is an arithmetic number, because the mean of its divisors is an integer number (282093144480).

Almost surely, 2^{2221143444613} is an apocalyptic number.

It is an amenable number.

2221143444613 is a deficient number, since it is larger than the sum of its proper divisors (35601711227).

2221143444613 is a wasteful number, since it uses less digits than its factorization.

2221143444613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118278347.

The product of its digits is 110592, while the sum is 37.

Adding to 2221143444613 its reverse (3164443411222), we get a palindrome (5385586855835).

The spelling of 2221143444613 in words is "two trillion, two hundred twenty-one billion, one hundred forty-three million, four hundred forty-four thousand, six hundred thirteen".