2188133 has 4 divisors (see below), whose sum is σ = 2225280. Its totient is φ = 2150988.

The previous prime is 2188127. The next prime is 2188157. The reversal of 2188133 is 3318812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2188133 - 2⁴ = 2188117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188163) 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, 18485 + ... + 18602.

It is an arithmetic number, because the mean of its divisors is an integer number (556320).

2^2188133 is an apocalyptic number.

It is an amenable number.

2188133 is a deficient number, since it is larger than the sum of its proper divisors (37147).

2188133 is an equidigital number, since it uses as much as digits as its factorization.

2188133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37146.

The product of its digits is 1152, while the sum is 26.

The square root of 2188133 is about 1479.2339233536. The cubic root of 2188133 is about 129.8248726673.

The spelling of 2188133 in words is "two million, one hundred eighty-eight thousand, one hundred thirty-three".