2308216 has 8 divisors (see below), whose sum is σ = 4327920. Its totient is φ = 1154104.

The previous prime is 2308213. The next prime is 2308219. The reversal of 2308216 is 6128032.

It is an interprime number because it is at equal distance from previous prime (2308213) and next prime (2308219).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2308216² = 10655722205312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144256 + ... + 144271.

It is an arithmetic number, because the mean of its divisors is an integer number (540990).

2^2308216 is an apocalyptic number.

It is an amenable number.

2308216 is a deficient number, since it is larger than the sum of its proper divisors (2019704).

2308216 is a wasteful number, since it uses less digits than its factorization.

2308216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288533 (or 288529 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2308216 is about 1519.2814090879. The cubic root of 2308216 is about 132.1576017774.

The spelling of 2308216 in words is "two million, three hundred eight thousand, two hundred sixteen".