8820219 has 4 divisors (see below), whose sum is σ = 11760296. Its totient is φ = 5880144.

The previous prime is 8820193. The next prime is 8820221. The reversal of 8820219 is 9120288.

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

It is not a de Polignac number, because 8820219 - 2⁵ = 8820187 is a prime.

It is a super-2 number, since 2×8820219² = 155592526415922, which contains 22 as substring.

It is a Duffinian number.

8820219 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8820269) 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, 1470034 + ... + 1470039.

It is an arithmetic number, because the mean of its divisors is an integer number (2940074).

Almost surely, 2^8820219 is an apocalyptic number.

8820219 is a deficient number, since it is larger than the sum of its proper divisors (2940077).

8820219 is a wasteful number, since it uses less digits than its factorization.

8820219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940076.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8820219 is about 2969.8853513225. The cubic root of 8820219 is about 206.6140208717.

The spelling of 8820219 in words is "eight million, eight hundred twenty thousand, two hundred nineteen".