822630863 has 2 divisors, whose sum is σ = 822630864. Its totient is φ = 822630862.

The previous prime is 822630803. The next prime is 822630869. The reversal of 822630863 is 368036228.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 822630863 - 2¹⁰ = 822629839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822630869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411315431 + 411315432.

It is an arithmetic number, because the mean of its divisors is an integer number (411315432).

Almost surely, 2^822630863 is an apocalyptic number.

822630863 is a deficient number, since it is larger than the sum of its proper divisors (1).

822630863 is an equidigital number, since it uses as much as digits as its factorization.

822630863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 822630863 is about 28681.5422005163. The cubic root of 822630863 is about 936.9900944582.

The spelling of 822630863 in words is "eight hundred twenty-two million, six hundred thirty thousand, eight hundred sixty-three".