822097 has 4 divisors (see below), whose sum is σ = 835636. Its totient is φ = 808560.

The previous prime is 822079. The next prime is 822113. The reversal of 822097 is 790228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 576081 = 496^2 + 759^2 .

It is a cyclic number.

It is not a de Polignac number, because 822097 - 2¹⁹ = 297809 is a prime.

It is a Duffinian number.

822097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (822007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6678 + ... + 6799.

It is an arithmetic number, because the mean of its divisors is an integer number (208909).

2⁸²²⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

822097 is a deficient number, since it is larger than the sum of its proper divisors (13539).

822097 is a wasteful number, since it uses less digits than its factorization.

822097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13538.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 822097 is about 906.6956490466. The cubic root of 822097 is about 93.6787357680.

The spelling of 822097 in words is "eight hundred twenty-two thousand, ninety-seven".