8213822 has 16 divisors (see below), whose sum is σ = 13468032. Its totient is φ = 3740160.

The previous prime is 8213819. The next prime is 8213851. The reversal of 8213822 is 2283128.

It is a junction number, because it is equal to n+sod(n) for n = 8213791 and 8213800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (841752).

Almost surely, 2^8213822 is an apocalyptic number.

8213822 is a deficient number, since it is larger than the sum of its proper divisors (5254210).

8213822 is a wasteful number, since it uses less digits than its factorization.

8213822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7843.

The product of its digits is 1536, while the sum is 26.

The square root of 8213822 is about 2865.9766223750. The cubic root of 8213822 is about 201.7662066564.

The spelling of 8213822 in words is "eight million, two hundred thirteen thousand, eight hundred twenty-two".