9000219 has 4 divisors (see below), whose sum is σ = 12000296. Its totient is φ = 6000144.

The previous prime is 9000217. The next prime is 9000223. The reversal of 9000219 is 9120009.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9120009 = 3 ⋅3040003.

It is not a de Polignac number, because 9000219 - 2¹ = 9000217 is a prime.

It is a super-2 number, since 2×9000219² = 162007884095922, 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 = 9000195 and 9000204.

It is not an unprimeable number, because it can be changed into a prime (9000217) 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, 1500034 + ... + 1500039.

It is an arithmetic number, because the mean of its divisors is an integer number (3000074).

Almost surely, 2^9000219 is an apocalyptic number.

9000219 is a deficient number, since it is larger than the sum of its proper divisors (3000077).

9000219 is a wasteful number, since it uses less digits than its factorization.

9000219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000076.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 9000219 is about 3000.0364997780. The cubic root of 9000219 is about 208.0100694706.

The spelling of 9000219 in words is "nine million, two hundred nineteen", and thus it is an aban number.