2184219 has 8 divisors (see below), whose sum is σ = 3235920. Its totient is φ = 1456128.

The previous prime is 2184209. The next prime is 2184223. The reversal of 2184219 is 9124812.

It is not a de Polignac number, because 2184219 - 2⁵ = 2184187 is a prime.

It is a super-2 number, since 2×2184219² = 9541625279922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 80897 = 2184219 / (2 + 1 + 8 + 4 + 2 + 1 + 9).

2184219 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2184192 and 2184201.

It is not an unprimeable number, because it can be changed into a prime (2184209) 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, 40422 + ... + 40475.

It is an arithmetic number, because the mean of its divisors is an integer number (404490).

2^2184219 is an apocalyptic number.

2184219 is a deficient number, since it is larger than the sum of its proper divisors (1051701).

2184219 is an equidigital number, since it uses as much as digits as its factorization.

2184219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80906 (or 80900 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2184219 is about 1477.9103491078. The cubic root of 2184219 is about 129.7474188400.

The spelling of 2184219 in words is "two million, one hundred eighty-four thousand, two hundred nineteen".