8422176401 has 2 divisors, whose sum is σ = 8422176402. Its totient is φ = 8422176400.

The previous prime is 8422176377. The next prime is 8422176407. The reversal of 8422176401 is 1046712248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4455696001 + 3966480400 = 66751^2 + 62980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8422176401 is a prime.

It is a super-2 number, since 2×8422176401² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8422176407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211088200 + 4211088201.

It is an arithmetic number, because the mean of its divisors is an integer number (4211088201).

Almost surely, 2^8422176401 is an apocalyptic number.

It is an amenable number.

8422176401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422176401 is an equidigital number, since it uses as much as digits as its factorization.

8422176401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8422176401 is about 91772.4163406413. The cubic root of 8422176401 is about 2034.5800316182.

Adding to 8422176401 its reverse (1046712248), we get a palindrome (9468888649).

The spelling of 8422176401 in words is "eight billion, four hundred twenty-two million, one hundred seventy-six thousand, four hundred one".