8424219 has 8 divisors (see below), whose sum is σ = 11594752. Its totient is φ = 5434920.

The previous prime is 8424211. The next prime is 8424287. The reversal of 8424219 is 9124248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8424219 - 2³ = 8424211 is a prime.

It is a super-2 number, since 2×8424219² = 141934931519922, which contains 22 as substring.

It is a Duffinian number.

8424219 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8424211) 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, 45199 + ... + 45384.

It is an arithmetic number, because the mean of its divisors is an integer number (1449344).

Almost surely, 2^8424219 is an apocalyptic number.

8424219 is a deficient number, since it is larger than the sum of its proper divisors (3170533).

8424219 is a wasteful number, since it uses less digits than its factorization.

8424219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90617.

The product of its digits is 4608, while the sum is 30.

The square root of 8424219 is about 2902.4505163741. The cubic root of 8424219 is about 203.4744498023.

The spelling of 8424219 in words is "eight million, four hundred twenty-four thousand, two hundred nineteen".