2144218 has 16 divisors (see below), whose sum is σ = 3346560. Its totient is φ = 1029600.

The previous prime is 2144213. The next prime is 2144243. The reversal of 2144218 is 8124412.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2144213) 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, 6313 + ... + 6643.

It is an arithmetic number, because the mean of its divisors is an integer number (209160).

2^2144218 is an apocalyptic number.

2144218 is a deficient number, since it is larger than the sum of its proper divisors (1202342).

2144218 is a wasteful number, since it uses less digits than its factorization.

2144218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its digits is 512, while the sum is 22.

The square root of 2144218 is about 1464.3148568529. The cubic root of 2144218 is about 128.9504847724.

The spelling of 2144218 in words is "two million, one hundred forty-four thousand, two hundred eighteen".