2188233 has 6 divisors (see below), whose sum is σ = 3160794. Its totient is φ = 1458816.

The previous prime is 2188231. The next prime is 2188237. The reversal of 2188233 is 3328812.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 915849 = 1128^2 + 957^2 .

It is not a de Polignac number, because 2188233 - 2¹ = 2188231 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2188197 and 2188206.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 121560 + ... + 121577.

It is an arithmetic number, because the mean of its divisors is an integer number (526799).

2^2188233 is an apocalyptic number.

It is an amenable number.

2188233 is a deficient number, since it is larger than the sum of its proper divisors (972561).

2188233 is a wasteful number, since it uses less digits than its factorization.

2188233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243143 (or 243140 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2188233 is about 1479.2677242474. The cubic root of 2188233 is about 129.8268503487.

The spelling of 2188233 in words is "two million, one hundred eighty-eight thousand, two hundred thirty-three".