2188424 has 16 divisors (see below), whose sum is σ = 4689600. Its totient is φ = 937872.

The previous prime is 2188411. The next prime is 2188429. The reversal of 2188424 is 4248812.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2188429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19484 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (293100).

2^2188424 is an apocalyptic number.

It is an amenable number.

2188424 is an abundant number, since it is smaller than the sum of its proper divisors (2501176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2188424 is a wasteful number, since it uses less digits than its factorization.

2188424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39092 (or 39088 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 2188424 is about 1479.3322818082. The cubic root of 2188424 is about 129.8306275526.

The spelling of 2188424 in words is "two million, one hundred eighty-eight thousand, four hundred twenty-four".