8445219 has 4 divisors (see below), whose sum is σ = 11260296. Its totient is φ = 5630144.

The previous prime is 8445161. The next prime is 8445251. The reversal of 8445219 is 9125448.

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 8445219 - 2⁹ = 8444707 is a prime.

It is a super-2 number, since 2×8445219² = 142643447915922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8445219.

It is not an unprimeable number, because it can be changed into a prime (8445259) 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, 1407534 + ... + 1407539.

It is an arithmetic number, because the mean of its divisors is an integer number (2815074).

Almost surely, 2^8445219 is an apocalyptic number.

8445219 is a deficient number, since it is larger than the sum of its proper divisors (2815077).

8445219 is a wasteful number, since it uses less digits than its factorization.

8445219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815076.

The product of its digits is 11520, while the sum is 33.

The square root of 8445219 is about 2906.0658973946. The cubic root of 8445219 is about 203.6433840694.

The spelling of 8445219 in words is "eight million, four hundred forty-five thousand, two hundred nineteen".