42220242524443 has 2 divisors, whose sum is σ = 42220242524444. Its totient is φ = 42220242524442.

The previous prime is 42220242524429. The next prime is 42220242524543. The reversal of 42220242524443 is 34442524202224.

42220242524443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42220242524443 - 2⁴⁵ = 7035870435611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42220242524396 and 42220242524405.

It is not a weakly prime, because it can be changed into another prime (42220242524423) 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 as a sum of consecutive naturals, namely, 21110121262221 + 21110121262222.

It is an arithmetic number, because the mean of its divisors is an integer number (21110121262222).

Almost surely, 2^{42220242524443} is an apocalyptic number.

42220242524443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42220242524443 is an equidigital number, since it uses as much as digits as its factorization.

42220242524443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 983040, while the sum is 40.

Adding to 42220242524443 its reverse (34442524202224), we get a palindrome (76662766726667).

The spelling of 42220242524443 in words is "forty-two trillion, two hundred twenty billion, two hundred forty-two million, five hundred twenty-four thousand, four hundred forty-three".