2216000 has 56 divisors (see below), whose sum is σ = 5507736. Its totient is φ = 883200.

The previous prime is 2215999. The next prime is 2216021. The reversal of 2216000 is 6122.

It can be written as a sum of positive squares in 4 ways, for example, as 322624 + 1893376 = 568^2 + 1376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7862 + ... + 8138.

2^2216000 is an apocalyptic number.

2216000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2753868).

2216000 is an abundant number, since it is smaller than the sum of its proper divisors (3291736).

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

2216000 is an equidigital number, since it uses as much as digits as its factorization.

2216000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2216000 is about 1488.6235252743. The cubic root of 2216000 is about 130.3736783035.

The spelling of 2216000 in words is "two million, two hundred sixteen thousand".