8122266 has 36 divisors (see below), whose sum is σ = 18418218. Its totient is φ = 2586672.

The previous prime is 8122249. The next prime is 8122273. The reversal of 8122266 is 6622218.

It can be written as a sum of positive squares in only one way, i.e., 8003241 + 119025 = 2829^2 + 345^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9096 + ... + 9948.

Almost surely, 2^8122266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8122266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9209109).

8122266 is an abundant number, since it is smaller than the sum of its proper divisors (10295952).

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

8122266 is a wasteful number, since it uses less digits than its factorization.

8122266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 881 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 8122266 is about 2849.9589470727. The cubic root of 8122266 is about 201.0137363450.

The spelling of 8122266 in words is "eight million, one hundred twenty-two thousand, two hundred sixty-six".