822147341 has 2 divisors, whose sum is σ = 822147342. Its totient is φ = 822147340.

The previous prime is 822147317. The next prime is 822147343. The reversal of 822147341 is 143741228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474324841 + 347822500 = 21779^2 + 18650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822147341 is a prime.

Together with 822147343, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 822147298 and 822147307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822147343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411073670 + 411073671.

It is an arithmetic number, because the mean of its divisors is an integer number (411073671).

Almost surely, 2^822147341 is an apocalyptic number.

It is an amenable number.

822147341 is a deficient number, since it is larger than the sum of its proper divisors (1).

822147341 is an equidigital number, since it uses as much as digits as its factorization.

822147341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 822147341 is about 28673.1118122885. Note that the first 3 decimals coincide. The cubic root of 822147341 is about 936.8064786395.

Adding to 822147341 its reverse (143741228), we get a palindrome (965888569).

The spelling of 822147341 in words is "eight hundred twenty-two million, one hundred forty-seven thousand, three hundred forty-one".