2282216 has 32 divisors (see below), whose sum is σ = 4604040. Its totient is φ = 1056768.

The previous prime is 2282207. The next prime is 2282243. The reversal of 2282216 is 6122822.

It can be written as a sum of positive squares in 4 ways, for example, as 2280100 + 2116 = 1510^2 + 46^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2282191 and 2282200.

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, 13106 + ... + 13278.

2^2282216 is an apocalyptic number.

It is an amenable number.

2282216 is an abundant number, since it is smaller than the sum of its proper divisors (2321824).

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

2282216 is a wasteful number, since it uses less digits than its factorization.

2282216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 289 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2282216 is about 1510.7004997682. The cubic root of 2282216 is about 131.6595142904.

Subtracting 2282216 from its reverse (6122822), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2282216 in words is "two million, two hundred eighty-two thousand, two hundred sixteen".