822630489 has 16 divisors (see below), whose sum is σ = 1161618432. Its totient is φ = 516743568.

The previous prime is 822630469. The next prime is 822630511. The reversal of 822630489 is 984036228.

It is not a de Polignac number, because 822630489 - 2⁸ = 822630233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 822630489.

It is not an unprimeable number, because it can be changed into a prime (822630469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84349 + ... + 93594.

It is an arithmetic number, because the mean of its divisors is an integer number (72601152).

Almost surely, 2^822630489 is an apocalyptic number.

It is an amenable number.

822630489 is a deficient number, since it is larger than the sum of its proper divisors (338987943).

822630489 is a wasteful number, since it uses less digits than its factorization.

822630489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178036.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 822630489 is about 28681.5356806430. The cubic root of 822630489 is about 936.9899524608.

The spelling of 822630489 in words is "eight hundred twenty-two million, six hundred thirty thousand, four hundred eighty-nine".