2272216 has 32 divisors (see below), whose sum is σ = 4548960. Its totient is φ = 1061632.

The previous prime is 2272211. The next prime is 2272217. The reversal of 2272216 is 6122722.

2272216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9636 + ... + 9868.

It is an arithmetic number, because the mean of its divisors is an integer number (142155).

2^2272216 is an apocalyptic number.

It is an amenable number.

2272216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2272216 is a wasteful number, since it uses less digits than its factorization.

2272216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 311 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 2272216 is about 1507.3871433709. The cubic root of 2272216 is about 131.4669349705.

Adding to 2272216 its reverse (6122722), we get a palindrome (8394938).

The spelling of 2272216 in words is "two million, two hundred seventy-two thousand, two hundred sixteen".