2187232 has 12 divisors (see below), whose sum is σ = 4306176. Its totient is φ = 1093600.

The previous prime is 2187217. The next prime is 2187233. The reversal of 2187232 is 2327812.

2187232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 2187197 and 2187206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187233) 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 as a sum of consecutive naturals, namely, 34144 + ... + 34207.

It is an arithmetic number, because the mean of its divisors is an integer number (358848).

2^2187232 is an apocalyptic number.

It is an amenable number.

2187232 is a deficient number, since it is larger than the sum of its proper divisors (2118944).

2187232 is an equidigital number, since it uses as much as digits as its factorization.

2187232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68361 (or 68353 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 2187232 is about 1478.9293424637. The cubic root of 2187232 is about 129.8070510406.

It can be divided in two parts, 21872 and 32, that added together give a square (21904 = 148²).

The spelling of 2187232 in words is "two million, one hundred eighty-seven thousand, two hundred thirty-two".