2338181 has 2 divisors, whose sum is σ = 2338182. Its totient is φ = 2338180.

The previous prime is 2338169. The next prime is 2338207. The reversal of 2338181 is 1818332.

2338181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2338207) can be obtained adding 2338181 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 58081 = 1510^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 2338181 - 2¹⁰ = 2337157 is a prime.

It is a super-2 number, since 2×2338181² = 10934180777522, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2338181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2338151) 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 as a sum of consecutive naturals, namely, 1169090 + 1169091.

It is an arithmetic number, because the mean of its divisors is an integer number (1169091).

2^2338181 is an apocalyptic number.

It is an amenable number.

2338181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2338181 is an equidigital number, since it uses as much as digits as its factorization.

2338181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 2338181 is about 1529.1111797381. Note that the first 4 decimals coincide. The cubic root of 2338181 is about 132.7270297880.

The spelling of 2338181 in words is "two million, three hundred thirty-eight thousand, one hundred eighty-one".