2218741 has 8 divisors (see below), whose sum is σ = 2646144. Its totient is φ = 1818960.

The previous prime is 2218709. The next prime is 2218751. The reversal of 2218741 is 1478122.

It is a happy number.

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 2218741 - 2⁵ = 2218709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6730 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (330768).

2^2218741 is an apocalyptic number.

It is an amenable number.

2218741 is a deficient number, since it is larger than the sum of its proper divisors (427403).

2218741 is a wasteful number, since it uses less digits than its factorization.

2218741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13811.

The product of its digits is 896, while the sum is 25.

The square root of 2218741 is about 1489.5438899207. The cubic root of 2218741 is about 130.4274098039.

The spelling of 2218741 in words is "two million, two hundred eighteen thousand, seven hundred forty-one".