2022218 has 16 divisors (see below), whose sum is σ = 3504384. Its totient is φ = 864960.

The previous prime is 2022217. The next prime is 2022233. The reversal of 2022218 is 8122202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2022196 and 2022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022217) 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 7 ways as a sum of consecutive naturals, for example, 2330 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (219024).

2^2022218 is an apocalyptic number.

2022218 is a deficient number, since it is larger than the sum of its proper divisors (1482166).

2022218 is a wasteful number, since it uses less digits than its factorization.

2022218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2022218 is about 1422.0471159564. The cubic root of 2022218 is about 126.4569367082.

The spelling of 2022218 in words is "two million, twenty-two thousand, two hundred eighteen".