8212822 has 4 divisors (see below), whose sum is σ = 12319236. Its totient is φ = 4106410.

The previous prime is 8212811. The next prime is 8212837. The reversal of 8212822 is 2282128.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2053204 + ... + 2053207.

It is an arithmetic number, because the mean of its divisors is an integer number (3079809).

Almost surely, 2^8212822 is an apocalyptic number.

8212822 is a deficient number, since it is larger than the sum of its proper divisors (4106414).

8212822 is a wasteful number, since it uses less digits than its factorization.

8212822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106413.

The product of its digits is 1024, while the sum is 25.

The square root of 8212822 is about 2865.8021564651. The cubic root of 8212822 is about 201.7580182477.

The spelling of 8212822 in words is "eight million, two hundred twelve thousand, eight hundred twenty-two".