2280216 has 16 divisors (see below), whose sum is σ = 5700600. Its totient is φ = 760064.

The previous prime is 2280203. The next prime is 2280221. The reversal of 2280216 is 6120822.

It is a junction number, because it is equal to n+sod(n) for n = 2280192 and 2280201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47481 + ... + 47528.

2^2280216 is an apocalyptic number.

It is an amenable number.

2280216 is an abundant number, since it is smaller than the sum of its proper divisors (3420384).

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

2280216 is a wasteful number, since it uses less digits than its factorization.

2280216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95018 (or 95014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2280216 is about 1510.0384101075. The cubic root of 2280216 is about 131.6210434963.

Subtracting 2280216 from its reverse (6120822), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2280216 in words is "two million, two hundred eighty thousand, two hundred sixteen".