822984913 has 2 divisors, whose sum is σ = 822984914. Its totient is φ = 822984912.

The previous prime is 822984871. The next prime is 822984937. The reversal of 822984913 is 319489228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 699708304 + 123276609 = 26452^2 + 11103^2 .

It is a cyclic number.

It is not a de Polignac number, because 822984913 - 2²⁹ = 286114001 is a prime.

It is a super-3 number, since 3×822984913³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (822984973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411492456 + 411492457.

It is an arithmetic number, because the mean of its divisors is an integer number (411492457).

Almost surely, 2^822984913 is an apocalyptic number.

It is an amenable number.

822984913 is a deficient number, since it is larger than the sum of its proper divisors (1).

822984913 is an equidigital number, since it uses as much as digits as its factorization.

822984913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 822984913 is about 28687.7136244769. The cubic root of 822984913 is about 937.1244981042.

The spelling of 822984913 in words is "eight hundred twenty-two million, nine hundred eighty-four thousand, nine hundred thirteen".