822003 has 16 divisors (see below), whose sum is σ = 1349376. Its totient is φ = 433440.

The previous prime is 821999. The next prime is 822007. The reversal of 822003 is 300228.

It is an interprime number because it is at equal distance from previous prime (821999) and next prime (822007).

It is not a de Polignac number, because 822003 - 2² = 821999 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (84336).

2⁸²²⁰⁰³ is an apocalyptic number.

822003 is a deficient number, since it is larger than the sum of its proper divisors (527373).

822003 is a wasteful number, since it uses less digits than its factorization.

822003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 822003 is about 906.6438109864. The cubic root of 822003 is about 93.6751651688.

The spelling of 822003 in words is "eight hundred twenty-two thousand, three".