2133218 has 8 divisors (see below), whose sum is σ = 3214848. Its totient is φ = 1061604.

The previous prime is 2133217. The next prime is 2133251. The reversal of 2133218 is 8123312.

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

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2133218.

It is not an unprimeable number, because it can be changed into a prime (2133217) 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, 1946 + ... + 2837.

It is an arithmetic number, because the mean of its divisors is an integer number (401856).

2^2133218 is an apocalyptic number.

2133218 is a deficient number, since it is larger than the sum of its proper divisors (1081630).

2133218 is a wasteful number, since it uses less digits than its factorization.

2133218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008.

The product of its digits is 288, while the sum is 20.

The square root of 2133218 is about 1460.5540044791. The cubic root of 2133218 is about 128.7295980492.

The spelling of 2133218 in words is "two million, one hundred thirty-three thousand, two hundred eighteen".