2188232 has 12 divisors (see below), whose sum is σ = 4110795. Its totient is φ = 1092024.

The previous prime is 2188231. The next prime is 2188237. The reversal of 2188232 is 2328812.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1094116 + 1094116 = 1046^2 + 1046^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1046.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2188231) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3923 + ... + 4445.

2^2188232 is an apocalyptic number.

It is an amenable number.

2188232 is a deficient number, since it is larger than the sum of its proper divisors (1922563).

2188232 is an frugal number, since it uses more digits than its factorization.

2188232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 525 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 2188232 is about 1479.2673862423. The cubic root of 2188232 is about 129.8268305722.

The spelling of 2188232 in words is "two million, one hundred eighty-eight thousand, two hundred thirty-two".