2022216 has 32 divisors (see below), whose sum is σ = 5778240. Its totient is φ = 577728.

The previous prime is 2022191. The next prime is 2022217. The reversal of 2022216 is 6122202.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2022195 and 2022204.

It is not an unprimeable number, because it can be changed into a prime (2022217) 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, 5851 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (180570).

2^2022216 is an apocalyptic number.

It is an amenable number.

2022216 is an abundant number, since it is smaller than the sum of its proper divisors (3756024).

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

2022216 is a wasteful number, since it uses less digits than its factorization.

2022216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053 (or 12049 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2022216 is about 1422.0464127447. The cubic root of 2022216 is about 126.4568950190.

Adding to 2022216 its reverse (6122202), we get a palindrome (8144418).

The spelling of 2022216 in words is "two million, twenty-two thousand, two hundred sixteen".