2305216 has 28 divisors (see below), whose sum is σ = 4622800. Its totient is φ = 1140480.

The previous prime is 2305169. The next prime is 2305271. The reversal of 2305216 is 6125032.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2305193 and 2305202.

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, 11485 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (165100).

2^2305216 is an apocalyptic number.

It is an amenable number.

2305216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2305216 is a wasteful number, since it uses less digits than its factorization.

2305216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2305216 is about 1518.2937792140. The cubic root of 2305216 is about 132.1003216536.

The spelling of 2305216 in words is "two million, three hundred five thousand, two hundred sixteen".