2209219 has 4 divisors (see below), whose sum is σ = 2305296. Its totient is φ = 2113144.

The previous prime is 2209217. The next prime is 2209231. The reversal of 2209219 is 9129022.

2209219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2209219 - 2¹ = 2209217 is a prime.

It is a super-2 number, since 2×2209219² = 9761297179922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2209193 and 2209202.

It is not an unprimeable number, because it can be changed into a prime (2209213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48004 + ... + 48049.

It is an arithmetic number, because the mean of its divisors is an integer number (576324).

2^2209219 is an apocalyptic number.

2209219 is a deficient number, since it is larger than the sum of its proper divisors (96077).

2209219 is an equidigital number, since it uses as much as digits as its factorization.

2209219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96076.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2209219 is about 1486.3441727944. The cubic root of 2209219 is about 130.2405604937.

The spelling of 2209219 in words is "two million, two hundred nine thousand, two hundred nineteen".