2342181 has 8 divisors (see below), whose sum is σ = 3129984. Its totient is φ = 1557920.

The previous prime is 2342173. The next prime is 2342189. The reversal of 2342181 is 1812432.

It is an interprime number because it is at equal distance from previous prime (2342173) and next prime (2342189).

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 2342181 - 2³ = 2342173 is a prime.

It is a super-2 number, since 2×2342181² = 10971623673522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342189) 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, 2116 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (391248).

2^2342181 is an apocalyptic number.

It is an amenable number.

2342181 is a deficient number, since it is larger than the sum of its proper divisors (787803).

2342181 is an equidigital number, since it uses as much as digits as its factorization.

2342181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

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

The square root of 2342181 is about 1530.4185701957. The cubic root of 2342181 is about 132.8026734414.

It can be divided in two parts, 234 and 2181, that added together give a triangular number (2415 = T₆₉).

The spelling of 2342181 in words is "two million, three hundred forty-two thousand, one hundred eighty-one".