2189272 has 16 divisors (see below), whose sum is σ = 4138200. Its totient is φ = 1085760.

The previous prime is 2189267. The next prime is 2189273. The reversal of 2189272 is 2729812.

2189272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189273) 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 3 ways as a sum of consecutive naturals, for example, 4 + ... + 2092.

2^2189272 is an apocalyptic number.

It is an amenable number.

2189272 is a deficient number, since it is larger than the sum of its proper divisors (1948928).

2189272 is a wasteful number, since it uses less digits than its factorization.

2189272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226 (or 2222 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2189272 is about 1479.6188698445. The cubic root of 2189272 is about 129.8473948937.

The spelling of 2189272 in words is "two million, one hundred eighty-nine thousand, two hundred seventy-two".