12822822 has 48 divisors (see below), whose sum is σ = 29652480. Its totient is φ = 3995376.

The previous prime is 12822787. The next prime is 12822827. The reversal of 12822822 is 22822821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12822827) 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 23 ways as a sum of consecutive naturals, for example, 19129 + ... + 19787.

It is an arithmetic number, because the mean of its divisors is an integer number (617760).

Almost surely, 2^12822822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12822822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14826240).

12822822 is an abundant number, since it is smaller than the sum of its proper divisors (16829658).

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

12822822 is a wasteful number, since it uses less digits than its factorization.

12822822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 734 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 12822822 is about 3580.8968150451. The cubic root of 12822822 is about 234.0603613732.

Subtracting 12822822 from its reverse (22822821), we obtain a palindrome (9999999).

The spelling of 12822822 in words is "twelve million, eight hundred twenty-two thousand, eight hundred twenty-two".