2244421543445 has 16 divisors (see below), whose sum is σ = 2869216136640. Its totient is φ = 1680540868224.

The previous prime is 2244421543433. The next prime is 2244421543457. The reversal of 2244421543445 is 5443451244422.

It is an interprime number because it is at equal distance from previous prime (2244421543433) and next prime (2244421543457).

It is a cyclic number.

It is not a de Polignac number, because 2244421543445 - 2³⁰ = 2243347801621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2244421543396 and 2244421543405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142314344 + ... + 142330113.

It is an arithmetic number, because the mean of its divisors is an integer number (179326008540).

Almost surely, 2^{2244421543445} is an apocalyptic number.

It is an amenable number.

2244421543445 is a deficient number, since it is larger than the sum of its proper divisors (624794593195).

2244421543445 is a wasteful number, since it uses less digits than its factorization.

2244421543445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284644564.

The product of its digits is 2457600, while the sum is 44.

Adding to 2244421543445 its reverse (5443451244422), we get a palindrome (7687872787867).

The spelling of 2244421543445 in words is "two trillion, two hundred forty-four billion, four hundred twenty-one million, five hundred forty-three thousand, four hundred forty-five".