8224279 has 4 divisors (see below), whose sum is σ = 9399184. Its totient is φ = 7049376.

The previous prime is 8224261. The next prime is 8224289. The reversal of 8224279 is 9724228.

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 8224279 - 2¹⁵ = 8191511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8224219) 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, 587442 + ... + 587455.

It is an arithmetic number, because the mean of its divisors is an integer number (2349796).

Almost surely, 2^8224279 is an apocalyptic number.

8224279 is a deficient number, since it is larger than the sum of its proper divisors (1174905).

8224279 is a wasteful number, since it uses less digits than its factorization.

8224279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174904.

The product of its digits is 16128, while the sum is 34.

The square root of 8224279 is about 2867.8003765953. The cubic root of 8224279 is about 201.8517930618.

The spelling of 8224279 in words is "eight million, two hundred twenty-four thousand, two hundred seventy-nine".