15522242441 has 2 divisors, whose sum is σ = 15522242442. Its totient is φ = 15522242440.

The previous prime is 15522242423. The next prime is 15522242453. The reversal of 15522242441 is 14424222551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14646082441 + 876160000 = 121021^2 + 29600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15522242441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15522242398 and 15522242407.

It is not a weakly prime, because it can be changed into another prime (15522242471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7761121220 + 7761121221.

It is an arithmetic number, because the mean of its divisors is an integer number (7761121221).

Almost surely, 2^15522242441 is an apocalyptic number.

It is an amenable number.

15522242441 is a deficient number, since it is larger than the sum of its proper divisors (1).

15522242441 is an equidigital number, since it uses as much as digits as its factorization.

15522242441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25600, while the sum is 32.

Adding to 15522242441 its reverse (14424222551), we get a palindrome (29946464992).

The spelling of 15522242441 in words is "fifteen billion, five hundred twenty-two million, two hundred forty-two thousand, four hundred forty-one".