2022066 has 12 divisors (see below), whose sum is σ = 4381182. Its totient is φ = 674016.

The previous prime is 2022049. The next prime is 2022067. The reversal of 2022066 is 6602202.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 632025 = 1179^2 + 795^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 112337 = 2022066 / (2 + 0 + 2 + 2 + 0 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56151 + ... + 56186.

2^2022066 is an apocalyptic number.

2022066 is an abundant number, since it is smaller than the sum of its proper divisors (2359116).

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

2022066 is a wasteful number, since it uses less digits than its factorization.

2022066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112345 (or 112342 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2022066 is about 1421.9936708720. The cubic root of 2022066 is about 126.4537682506.

Adding to 2022066 its sum of digits (18), we get a square (2022084 = 1422²).

Adding to 2022066 its reverse (6602202), we get a palindrome (8624268).

The spelling of 2022066 in words is "two million, twenty-two thousand, sixty-six".