7422166541 has 2 divisors, whose sum is σ = 7422166542. Its totient is φ = 7422166540.

The previous prime is 7422166523. The next prime is 7422166567. The reversal of 7422166541 is 1456612247.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4796116516 + 2626050025 = 69254^2 + 51245^2 .

It is an emirp because it is prime and its reverse (1456612247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7422166541 - 2³⁰ = 6348424717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7422166495 and 7422166504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7422166501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711083270 + 3711083271.

It is an arithmetic number, because the mean of its divisors is an integer number (3711083271).

Almost surely, 2^7422166541 is an apocalyptic number.

It is an amenable number.

7422166541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422166541 is an equidigital number, since it uses as much as digits as its factorization.

7422166541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 7422166541 is about 86151.9967325192. The cubic root of 7422166541 is about 1950.6389789366.

Adding to 7422166541 its reverse (1456612247), we get a palindrome (8878778788).

The spelling of 7422166541 in words is "seven billion, four hundred twenty-two million, one hundred sixty-six thousand, five hundred forty-one".