822946939 has 2 divisors, whose sum is σ = 822946940. Its totient is φ = 822946938.

The previous prime is 822946879. The next prime is 822946961. The reversal of 822946939 is 939649228.

It is a happy number.

822946939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 822946939 - 2⁷ = 822946811 is a prime.

It is not a weakly prime, because it can be changed into another prime (822946139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411473469 + 411473470.

It is an arithmetic number, because the mean of its divisors is an integer number (411473470).

Almost surely, 2^822946939 is an apocalyptic number.

822946939 is a deficient number, since it is larger than the sum of its proper divisors (1).

822946939 is an equidigital number, since it uses as much as digits as its factorization.

822946939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 52.

The square root of 822946939 is about 28687.0517655614. The cubic root of 822946939 is about 937.1100843475.

The spelling of 822946939 in words is "eight hundred twenty-two million, nine hundred forty-six thousand, nine hundred thirty-nine".