822428285 has 16 divisors (see below), whose sum is σ = 1129355136. Its totient is φ = 563224128.

The previous prime is 822428249. The next prime is 822428309. The reversal of 822428285 is 582824228.

It is a cyclic number.

It is not a de Polignac number, because 822428285 - 2⁸ = 822428029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13154 + ... + 42636.

It is an arithmetic number, because the mean of its divisors is an integer number (70584696).

Almost surely, 2^822428285 is an apocalyptic number.

It is an amenable number.

822428285 is a deficient number, since it is larger than the sum of its proper divisors (306926851).

822428285 is a wasteful number, since it uses less digits than its factorization.

822428285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30292.

The product of its digits is 163840, while the sum is 41.

The square root of 822428285 is about 28678.0104784136. The cubic root of 822428285 is about 936.9131749183.

The spelling of 822428285 in words is "eight hundred twenty-two million, four hundred twenty-eight thousand, two hundred eighty-five".