4230181 has 6 divisors (see below), whose sum is σ = 4290770. Its totient is φ = 4170096.

The previous prime is 4230169. The next prime is 4230197. The reversal of 4230181 is 1810324.

It can be written as a sum of positive squares in 3 ways, for example, as 3481956 + 748225 = 1866^2 + 865^2 .

It is not a de Polignac number, because 4230181 - 2¹³ = 4221989 is a prime.

It is a super-2 number, since 2×4230181² = 35788862585522, 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 (4230101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21375 + ... + 21571.

Almost surely, 2^4230181 is an apocalyptic number.

It is an amenable number.

4230181 is a deficient number, since it is larger than the sum of its proper divisors (60589).

4230181 is an equidigital number, since it uses as much as digits as its factorization.

4230181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4230181 is about 2056.7403822554. The cubic root of 4230181 is about 161.7284099491.

The spelling of 4230181 in words is "four million, two hundred thirty thousand, one hundred eighty-one".