982022857 has 8 divisors (see below), whose sum is σ = 1006852392. Its totient is φ = 957235200.

The previous prime is 982022843. The next prime is 982022861. The reversal of 982022857 is 758220289.

982022857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 118897216 + 863125641 = 10904^2 + 29379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 982022857 - 2⁷ = 982022729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982022887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40057 + ... + 59737.

It is an arithmetic number, because the mean of its divisors is an integer number (125856549).

Almost surely, 2^982022857 is an apocalyptic number.

It is an amenable number.

982022857 is a deficient number, since it is larger than the sum of its proper divisors (24829535).

982022857 is a wasteful number, since it uses less digits than its factorization.

982022857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20939.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 982022857 is about 31337.2439279526. The cubic root of 982022857 is about 993.9713473841.

The spelling of 982022857 in words is "nine hundred eighty-two million, twenty-two thousand, eight hundred fifty-seven".