2022806 has 12 divisors (see below), whose sum is σ = 3112092. Its totient is φ = 986076.

The previous prime is 2022803. The next prime is 2022841. The reversal of 2022806 is 6082202.

It is a super-2 number, since 2×2022806² = 8183488227272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3425 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (259341).

2^2022806 is an apocalyptic number.

2022806 is a deficient number, since it is larger than the sum of its proper divisors (1089286).

2022806 is an equidigital number, since it uses as much as digits as its factorization.

2022806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2022806 is about 1422.2538451345. The cubic root of 2022806 is about 126.4691921415.

The spelling of 2022806 in words is "two million, twenty-two thousand, eight hundred six".