822330 has 24 divisors (see below), whose sum is σ = 2138292. Its totient is φ = 219264.

The previous prime is 822329. The next prime is 822343. The reversal of 822330 is 33228.

822330 = 28² + 29² + ... + 135².

It can be written as a sum of positive squares in 2 ways, for example, as 690561 + 131769 = 831^2 + 363^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4479 + ... + 4658.

2⁸²²³³⁰ is an apocalyptic number.

822330 is an abundant number, since it is smaller than the sum of its proper divisors (1315962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822330 is a wasteful number, since it uses less digits than its factorization.

822330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 822330 is about 906.8241284836. The cubic root of 822330 is about 93.6875851226.

Adding to 822330 its reverse (33228), we get a palindrome (855558).

The spelling of 822330 in words is "eight hundred twenty-two thousand, three hundred thirty".