8228919 has 16 divisors (see below), whose sum is σ = 11924480. Its totient is φ = 5028480.

The previous prime is 8228903. The next prime is 8228947. The reversal of 8228919 is 9198228.

It is not a de Polignac number, because 8228919 - 2⁴ = 8228903 is a prime.

It is a super-2 number, since 2×8228919² = 135430215817122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8228919 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8228959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562 + ... + 4095.

It is an arithmetic number, because the mean of its divisors is an integer number (745280).

Almost surely, 2^8228919 is an apocalyptic number.

8228919 is a deficient number, since it is larger than the sum of its proper divisors (3695561).

8228919 is a wasteful number, since it uses less digits than its factorization.

8228919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710.

The product of its digits is 20736, while the sum is 39.

The square root of 8228919 is about 2868.6092449129. The cubic root of 8228919 is about 201.8897463883.

The spelling of 8228919 in words is "eight million, two hundred twenty-eight thousand, nine hundred nineteen".