8213122 has 8 divisors (see below), whose sum is σ = 12338496. Its totient is φ = 4100292.

The previous prime is 8213089. The next prime is 8213123. The reversal of 8213122 is 2213128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8213122.

It is not an unprimeable number, because it can be changed into a prime (8213123) 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 3 ways as a sum of consecutive naturals, for example, 1278 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (1542312).

Almost surely, 2^8213122 is an apocalyptic number.

8213122 is a deficient number, since it is larger than the sum of its proper divisors (4125374).

8213122 is a wasteful number, since it uses less digits than its factorization.

8213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272.

The product of its digits is 192, while the sum is 19.

The square root of 8213122 is about 2865.8544973533. The cubic root of 8213122 is about 201.7604748401.

The spelling of 8213122 in words is "eight million, two hundred thirteen thousand, one hundred twenty-two".