822373 has 4 divisors (see below), whose sum is σ = 826828. Its totient is φ = 817920.

The previous prime is 822361. The next prime is 822379. The reversal of 822373 is 373228.

It is a happy number.

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 544644 + 277729 = 738^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 822373 - 2⁹ = 821861 is a prime.

It is a super-2 number, since 2×822373² = 1352594702258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8³ + 2¹¹ + 3⁶ + 2¹⁹ + 7⁶ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822379) 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, 1938 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (206707).

2⁸²²³⁷³ is an apocalyptic number.

It is an amenable number.

822373 is a deficient number, since it is larger than the sum of its proper divisors (4455).

822373 is a wasteful number, since it uses less digits than its factorization.

822373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454.

The product of its digits is 2016, while the sum is 25.

The square root of 822373 is about 906.8478372914. The cubic root of 822373 is about 93.6892180826.

The spelling of 822373 in words is "eight hundred twenty-two thousand, three hundred seventy-three".