822038641 has 2 divisors, whose sum is σ = 822038642. Its totient is φ = 822038640.

The previous prime is 822038627. The next prime is 822038647. The reversal of 822038641 is 146830228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735548641 + 86490000 = 27121^2 + 9300^2 .

It is a cyclic number.

It is not a de Polignac number, because 822038641 - 2²¹ = 819941489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 822038597 and 822038606.

It is not a weakly prime, because it can be changed into another prime (822038647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411019320 + 411019321.

It is an arithmetic number, because the mean of its divisors is an integer number (411019321).

Almost surely, 2^822038641 is an apocalyptic number.

It is an amenable number.

822038641 is a deficient number, since it is larger than the sum of its proper divisors (1).

822038641 is an equidigital number, since it uses as much as digits as its factorization.

822038641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 822038641 is about 28671.2162455659. The cubic root of 822038641 is about 936.7651902769.

Adding to 822038641 its reverse (146830228), we get a palindrome (968868869).

The spelling of 822038641 in words is "eight hundred twenty-two million, thirty-eight thousand, six hundred forty-one".