2231789 has 8 divisors (see below), whose sum is σ = 2562048. Its totient is φ = 1904400.

The previous prime is 2231773. The next prime is 2231791. The reversal of 2231789 is 9871322.

2231789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231789 - 2⁴ = 2231773 is a prime.

It is a super-3 number, since 3×2231789³ = 33348833914533666207, 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 (2231389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 2514.

It is an arithmetic number, because the mean of its divisors is an integer number (320256).

2^2231789 is an apocalyptic number.

It is an amenable number.

2231789 is a deficient number, since it is larger than the sum of its proper divisors (330259).

2231789 is a wasteful number, since it uses less digits than its factorization.

2231789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

The product of its digits is 6048, while the sum is 32.

The square root of 2231789 is about 1493.9173337237. The cubic root of 2231789 is about 130.6825832976.

The spelling of 2231789 in words is "two million, two hundred thirty-one thousand, seven hundred eighty-nine".