6222222278449 has 4 divisors (see below), whose sum is σ = 6324225922420. Its totient is φ = 6120218634480.

The previous prime is 6222222278357. The next prime is 6222222278507. The reversal of 6222222278449 is 9448722222226.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1269750356224 + 4952471922225 = 1126832^2 + 2225415^2 .

It is a cyclic number.

It is not a de Polignac number, because 6222222278449 - 2⁹ = 6222222277937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6222222278396 and 6222222278405.

It is not an unprimeable number, because it can be changed into a prime (6222222678449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51001821894 + ... + 51001822015.

It is an arithmetic number, because the mean of its divisors is an integer number (1581056480605).

Almost surely, 2^{6222222278449} is an apocalyptic number.

It is an amenable number.

6222222278449 is a deficient number, since it is larger than the sum of its proper divisors (102003643971).

6222222278449 is a wasteful number, since it uses less digits than its factorization.

6222222278449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102003643970.

The product of its digits is 6193152, while the sum is 52.

The spelling of 6222222278449 in words is "six trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred seventy-eight thousand, four hundred forty-nine".