2234181 has 4 divisors (see below), whose sum is σ = 2978912. Its totient is φ = 1489452.

The previous prime is 2234179. The next prime is 2234207. The reversal of 2234181 is 1814322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2234181 - 2¹ = 2234179 is a prime.

It is a super-2 number, since 2×2234181² = 9983129481522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2234181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234161) 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, 372361 + ... + 372366.

It is an arithmetic number, because the mean of its divisors is an integer number (744728).

2^2234181 is an apocalyptic number.

It is an amenable number.

2234181 is a deficient number, since it is larger than the sum of its proper divisors (744731).

2234181 is an equidigital number, since it uses as much as digits as its factorization.

2234181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744730.

The product of its digits is 384, while the sum is 21.

The square root of 2234181 is about 1494.7176990991. The cubic root of 2234181 is about 130.7292545448.

It can be divided in two parts, 22341 and 81, that added together give a palindrome (22422).

The spelling of 2234181 in words is "two million, two hundred thirty-four thousand, one hundred eighty-one".