1002822 has 16 divisors (see below), whose sum is σ = 2015472. Its totient is φ = 332640.

The previous prime is 1002821. The next prime is 1002851. The reversal of 1002822 is 2282001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002821) 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 7 ways as a sum of consecutive naturals, for example, 2172 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (125967).

2^1002822 is an apocalyptic number.

1002822 is an abundant number, since it is smaller than the sum of its proper divisors (1012650).

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

1002822 is a wasteful number, since it uses less digits than its factorization.

1002822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1002822 is about 1001.4100059416. The cubic root of 1002822 is about 100.0939783198.

Adding to 1002822 its reverse (2282001), we get a palindrome (3284823).

The spelling of 1002822 in words is "one million, two thousand, eight hundred twenty-two".