7522247141 has 2 divisors, whose sum is σ = 7522247142. Its totient is φ = 7522247140.

The previous prime is 7522247111. The next prime is 7522247177. The reversal of 7522247141 is 1417422257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4533328900 + 2988918241 = 67330^2 + 54671^2 .

It is a cyclic number.

It is not a de Polignac number, because 7522247141 - 2³⁰ = 6448505317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7522247111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3761123570 + 3761123571.

It is an arithmetic number, because the mean of its divisors is an integer number (3761123571).

Almost surely, 2^7522247141 is an apocalyptic number.

It is an amenable number.

7522247141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7522247141 is an equidigital number, since it uses as much as digits as its factorization.

7522247141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 35.

The square root of 7522247141 is about 86730.8891975633. The cubic root of 7522247141 is about 1959.3673458781.

Adding to 7522247141 its reverse (1417422257), we get a palindrome (8939669398).

The spelling of 7522247141 in words is "seven billion, five hundred twenty-two million, two hundred forty-seven thousand, one hundred forty-one".