2232391 has 12 divisors (see below), whose sum is σ = 2688120. Its totient is φ = 1846320.

The previous prime is 2232379. The next prime is 2232401. The reversal of 2232391 is 1932322.

It is not a de Polignac number, because 2232391 - 2¹⁵ = 2199623 is a prime.

It is a super-3 number, since 3×2232391³ = 33375827613908857413, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232991) 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 11 ways as a sum of consecutive naturals, for example, 636 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (224010).

2^2232391 is an apocalyptic number.

2232391 is a deficient number, since it is larger than the sum of its proper divisors (455729).

2232391 is a wasteful number, since it uses less digits than its factorization.

2232391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1607 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 2232391 is about 1494.1188038439. The cubic root of 2232391 is about 130.6943322940.

The spelling of 2232391 in words is "two million, two hundred thirty-two thousand, three hundred ninety-one".