2185231 has 8 divisors (see below), whose sum is σ = 2329344. Its totient is φ = 2042880.

The previous prime is 2185201. The next prime is 2185241. The reversal of 2185231 is 1325812.

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 2185231 - 2⁵ = 2185199 is a prime.

It is a super-2 number, since 2×2185231² = 9550469046722, 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 (2185201) 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, 2911 + ... + 3583.

It is an arithmetic number, because the mean of its divisors is an integer number (291168).

2^2185231 is an apocalyptic number.

2185231 is a deficient number, since it is larger than the sum of its proper divisors (144113).

2185231 is a wasteful number, since it uses less digits than its factorization.

2185231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its digits is 480, while the sum is 22.

The square root of 2185231 is about 1478.2526847599. The cubic root of 2185231 is about 129.7674540890.

The spelling of 2185231 in words is "two million, one hundred eighty-five thousand, two hundred thirty-one".