2286181 has 8 divisors (see below), whose sum is σ = 2372480. Its totient is φ = 2201472.

The previous prime is 2286173. The next prime is 2286187. The reversal of 2286181 is 1816822.

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 2286181 - 2³ = 2286173 is a prime.

It is a super-2 number, since 2×2286181² = 10453247129522, 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 (2286187) 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, 3061 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (296560).

2^2286181 is an apocalyptic number.

It is an amenable number.

2286181 is a deficient number, since it is larger than the sum of its proper divisors (86299).

2286181 is an equidigital number, since it uses as much as digits as its factorization.

2286181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its digits is 1536, while the sum is 28.

The square root of 2286181 is about 1512.0122354002. The cubic root of 2286181 is about 131.7357162435.

The spelling of 2286181 in words is "two million, two hundred eighty-six thousand, one hundred eighty-one".