7422666841 has 12 divisors (see below), whose sum is σ = 7692926332. Its totient is φ = 7161606144.

The previous prime is 7422666827. The next prime is 7422666847. The reversal of 7422666841 is 1486662247.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 73891216 + 7348775625 = 8596^2 + 85725^2 .

It is not a de Polignac number, because 7422666841 - 2¹⁵ = 7422634073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7422666791 and 7422666800.

It is not an unprimeable number, because it can be changed into a prime (7422666847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1774945 + ... + 1779121.

Almost surely, 2^7422666841 is an apocalyptic number.

It is an amenable number.

7422666841 is a deficient number, since it is larger than the sum of its proper divisors (270259491).

7422666841 is a wasteful number, since it uses less digits than its factorization.

7422666841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348 (or 6319 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 7422666841 is about 86154.9002727065. The cubic root of 7422666841 is about 1950.6828063352.

The spelling of 7422666841 in words is "seven billion, four hundred twenty-two million, six hundred sixty-six thousand, eight hundred forty-one".