2216084 has 24 divisors (see below), whose sum is σ = 4398240.
Its totient is φ = 968544.
The previous prime is 2216083. The next prime is 2216087. The reversal of 2216084 is 4806122.
It is a super-2 number, since 2×22160842 = 9822056590112, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2216083) 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, 134 + ... + 2109.
It is an arithmetic number, because the mean of its divisors is an integer number (183260).
22216084 is an apocalyptic number.
It is an amenable number.
2216084 is a deficient number, since it is larger than the sum of its proper divisors (2182156).
2216084 is a wasteful number, since it uses less digits than its factorization.
2216084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2279 (or 2277 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 2216084 is about 1488.6517389907.
The cubic root of 2216084 is about 130.3753256035.
The spelling of 2216084 in words is "two million, two hundred sixteen thousand, eighty-four".