4222402444442 has 24 divisors (see below), whose sum is σ = 7934404595796. Its totient is φ = 1670400966528.

The previous prime is 4222402444441. The next prime is 4222402444451. The reversal of 4222402444442 is 2444442042224.

It can be written as a sum of positive squares in 2 ways, for example, as 3296036619001 + 926365825441 = 1815499^2 + 962479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4222402444396 and 4222402444405.

It is not an unprimeable number, because it can be changed into a prime (4222402444441) 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 11 ways as a sum of consecutive naturals, for example, 1657142543 + ... + 1657145090.

Almost surely, 2^{4222402444442} is an apocalyptic number.

4222402444442 is a deficient number, since it is larger than the sum of its proper divisors (3712002151354).

4222402444442 is a wasteful number, since it uses less digits than its factorization.

4222402444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314287662 (or 3314287655 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 4222402444442 its reverse (2444442042224), we get a palindrome (6666844486666).

It can be divided in two parts, 422240 and 2444442, that added together give a palindrome (2866682).

The spelling of 4222402444442 in words is "four trillion, two hundred twenty-two billion, four hundred two million, four hundred forty-four thousand, four hundred forty-two".