2222420444242 has 8 divisors (see below), whose sum is σ = 3342568015116. Its totient is φ = 1108231105872.

The previous prime is 2222420444227. The next prime is 2222420444243. The reversal of 2222420444242 is 2424440242222.

It can be written as a sum of positive squares in 2 ways, for example, as 2119327435681 + 103093008561 = 1455791^2 + 321081^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2222420444198 and 2222420444207.

It is not an unprimeable number, because it can be changed into a prime (2222420444243) 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, 1489557193 + ... + 1489558684.

Almost surely, 2^{2222420444242} is an apocalyptic number.

2222420444242 is a deficient number, since it is larger than the sum of its proper divisors (1120147570874).

2222420444242 is a wasteful number, since it uses less digits than its factorization.

2222420444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979116252.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 2222420444242 its reverse (2424440242222), we get a palindrome (4646860686464).

It can be divided in two parts, 2222420 and 444242, that added together give a palindrome (2666662).

The spelling of 2222420444242 in words is "two trillion, two hundred twenty-two billion, four hundred twenty million, four hundred forty-four thousand, two hundred forty-two".