2217272 has 16 divisors (see below), whose sum is σ = 4246560. Its totient is φ = 1084864.

The previous prime is 2217251. The next prime is 2217277. The reversal of 2217272 is 2727122.

2217272 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2573 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (265410).

2^2217272 is an apocalyptic number.

It is an amenable number.

2217272 is a deficient number, since it is larger than the sum of its proper divisors (2029288).

2217272 is a wasteful number, since it uses less digits than its factorization.

2217272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950 (or 5946 counting only the distinct ones).

The product of its digits is 784, while the sum is 23.

The square root of 2217272 is about 1489.0507043079. The cubic root of 2217272 is about 130.3986186763.

The spelling of 2217272 in words is "two million, two hundred seventeen thousand, two hundred seventy-two".