42424222241 has 2 divisors, whose sum is σ = 42424222242. Its totient is φ = 42424222240.

The previous prime is 42424222229. The next prime is 42424222261. The reversal of 42424222241 is 14222242424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22962856225 + 19461366016 = 151535^2 + 139504^2 .

It is a cyclic number.

It is not a de Polignac number, because 42424222241 - 2²⁶ = 42357113377 is a prime.

It is not a weakly prime, because it can be changed into another prime (42424222201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212111120 + 21212111121.

It is an arithmetic number, because the mean of its divisors is an integer number (21212111121).

Almost surely, 2^42424222241 is an apocalyptic number.

It is an amenable number.

42424222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42424222241 is an equidigital number, since it uses as much as digits as its factorization.

42424222241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16384, while the sum is 29.

Adding to 42424222241 its reverse (14222242424), we get a palindrome (56646464665).

The spelling of 42424222241 in words is "forty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred forty-one".