8222782 has 16 divisors (see below), whose sum is σ = 13041360. Its totient is φ = 3877632.

The previous prime is 8222779. The next prime is 8222783. The reversal of 8222782 is 2872228.

It is a happy number.

It is a super-2 number, since 2×8222782² = 135228287639048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13108 + ... + 13720.

It is an arithmetic number, because the mean of its divisors is an integer number (815085).

Almost surely, 2^8222782 is an apocalyptic number.

8222782 is a deficient number, since it is larger than the sum of its proper divisors (4818578).

8222782 is a wasteful number, since it uses less digits than its factorization.

8222782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its digits is 7168, while the sum is 31.

The square root of 8222782 is about 2867.5393632869. The cubic root of 8222782 is about 201.8395451606.

The spelling of 8222782 in words is "eight million, two hundred twenty-two thousand, seven hundred eighty-two".