2188326 has 16 divisors (see below), whose sum is σ = 5001984. Its totient is φ = 625224.

The previous prime is 2188309. The next prime is 2188327. The reversal of 2188326 is 6238812.

It is a junction number, because it is equal to n+sod(n) for n = 2188293 and 2188302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26010 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (312624).

2^2188326 is an apocalyptic number.

2188326 is an abundant number, since it is smaller than the sum of its proper divisors (2813658).

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

2188326 is a wasteful number, since it uses less digits than its factorization.

2188326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52115.

The product of its digits is 4608, while the sum is 30.

The square root of 2188326 is about 1479.2991583855. The cubic root of 2188326 is about 129.8286895383.

The spelling of 2188326 in words is "two million, one hundred eighty-eight thousand, three hundred twenty-six".