8222439 has 8 divisors (see below), whose sum is σ = 11117952. Its totient is φ = 5404280.

The previous prime is 8222437. The next prime is 8222447. The reversal of 8222439 is 9342228.

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

It is a cyclic number.

It is not a de Polignac number, because 8222439 - 2¹ = 8222437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19089 + ... + 19514.

It is an arithmetic number, because the mean of its divisors is an integer number (1389744).

Almost surely, 2^8222439 is an apocalyptic number.

8222439 is a deficient number, since it is larger than the sum of its proper divisors (2895513).

8222439 is a wasteful number, since it uses less digits than its factorization.

8222439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38677.

The product of its digits is 6912, while the sum is 30.

The square root of 8222439 is about 2867.4795552889. The cubic root of 8222439 is about 201.8367386520.

The spelling of 8222439 in words is "eight million, two hundred twenty-two thousand, four hundred thirty-nine".