2218135 has 8 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 1766880.

The previous prime is 2218129. The next prime is 2218157. The reversal of 2218135 is 5318122.

2218135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2218135 - 2³ = 2218127 is a prime.

It is a Duffinian number.

2218135 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (334152).

2^2218135 is an apocalyptic number.

2218135 is a deficient number, since it is larger than the sum of its proper divisors (455081).

2218135 is a wasteful number, since it uses less digits than its factorization.

2218135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its digits is 480, while the sum is 22.

The square root of 2218135 is about 1489.3404580552. The cubic root of 2218135 is about 130.4155342692.

The spelling of 2218135 in words is "two million, two hundred eighteen thousand, one hundred thirty-five".