8021822 has 16 divisors (see below), whose sum is σ = 12650352. Its totient is φ = 3810240.

The previous prime is 8021821. The next prime is 8021831. The reversal of 8021822 is 2281208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021821) 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, 1922 + ... + 4442.

It is an arithmetic number, because the mean of its divisors is an integer number (790647).

Almost surely, 2^8021822 is an apocalyptic number.

8021822 is a deficient number, since it is larger than the sum of its proper divisors (4628530).

8021822 is a wasteful number, since it uses less digits than its factorization.

8021822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 8021822 is about 2832.2821187163. The cubic root of 8021822 is about 200.1816849030.

The spelling of 8021822 in words is "eight million, twenty-one thousand, eight hundred twenty-two".