822473 has 4 divisors (see below), whose sum is σ = 844740. Its totient is φ = 800208.

The previous prime is 822433. The next prime is 822517. The reversal of 822473 is 374228.

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 499849 + 322624 = 707^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 822473 - 2¹⁰ = 821449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (822433) 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, 11078 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (211185).

2⁸²²⁴⁷³ is an apocalyptic number.

It is an amenable number.

822473 is a deficient number, since it is larger than the sum of its proper divisors (22267).

822473 is a wasteful number, since it uses less digits than its factorization.

822473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22266.

The product of its digits is 2688, while the sum is 26.

The square root of 822473 is about 906.9029716568. The cubic root of 822473 is about 93.6930154439.

The spelling of 822473 in words is "eight hundred twenty-two thousand, four hundred seventy-three".