2174231 has 4 divisors (see below), whose sum is σ = 2233032. Its totient is φ = 2115432.

The previous prime is 2174203. The next prime is 2174243. The reversal of 2174231 is 1324712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2174231 - 2¹⁰ = 2173207 is a prime.

It is a super-2 number, since 2×2174231² = 9454560882722, which contains 22 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 (2174251) 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, 29345 + ... + 29418.

It is an arithmetic number, because the mean of its divisors is an integer number (558258).

2^2174231 is an apocalyptic number.

2174231 is a deficient number, since it is larger than the sum of its proper divisors (58801).

2174231 is an equidigital number, since it uses as much as digits as its factorization.

2174231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58800.

The product of its digits is 336, while the sum is 20.

The square root of 2174231 is about 1474.5273819092. The cubic root of 2174231 is about 129.5493468859.

Adding to 2174231 its reverse (1324712), we get a palindrome (3498943).

The spelling of 2174231 in words is "two million, one hundred seventy-four thousand, two hundred thirty-one".