822830 has 16 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 325632.

The previous prime is 822823. The next prime is 822839. The reversal of 822830 is 38228.

822830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 822796 and 822805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822839) 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, 686 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (93555).

2⁸²²⁸³⁰ is an apocalyptic number.

822830 is a deficient number, since it is larger than the sum of its proper divisors (674050).

822830 is a wasteful number, since it uses less digits than its factorization.

822830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 822830 is about 907.0997740050. The cubic root of 822830 is about 93.7065695132.

The spelling of 822830 in words is "eight hundred twenty-two thousand, eight hundred thirty".