2299216 has 40 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 1058304.

The previous prime is 2299189. The next prime is 2299229. The reversal of 2299216 is 6129922.

It is a congruent number.

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, 21435 + ... + 21541.

It is an arithmetic number, because the mean of its divisors is an integer number (120528).

2^2299216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2299216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410560).

2299216 is an abundant number, since it is smaller than the sum of its proper divisors (2521904).

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

2299216 is a wasteful number, since it uses less digits than its factorization.

2299216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 205 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 2299216 is about 1516.3165896342. The cubic root of 2299216 is about 131.9856121447.

The spelling of 2299216 in words is "two million, two hundred ninety-nine thousand, two hundred sixteen".