2181334 has 8 divisors (see below), whose sum is σ = 3304080. Its totient is φ = 1079976.

The previous prime is 2181331. The next prime is 2181337. The reversal of 2181334 is 4331812.

It is an interprime number because it is at equal distance from previous prime (2181331) and next prime (2181337).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2181331) 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, 5089 + ... + 5500.

It is an arithmetic number, because the mean of its divisors is an integer number (413010).

2^2181334 is an apocalyptic number.

2181334 is a deficient number, since it is larger than the sum of its proper divisors (1122746).

2181334 is a wasteful number, since it uses less digits than its factorization.

2181334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694.

The product of its digits is 576, while the sum is 22.

The square root of 2181334 is about 1476.9339863379. The cubic root of 2181334 is about 129.6902685527.

The spelling of 2181334 in words is "two million, one hundred eighty-one thousand, three hundred thirty-four".