8226559 has 4 divisors (see below), whose sum is σ = 8974440. Its totient is φ = 7478680.

The previous prime is 8226553. The next prime is 8226577. The reversal of 8226559 is 9556228.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8226559 - 2⁷ = 8226431 is a prime.

It is a d-powerful number, because it can be written as 8³ + 2¹² + 2²⁰ + 6⁶ + 5⁸ + 5⁹ + 9⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8226553) 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 3 ways as a sum of consecutive naturals, for example, 373924 + ... + 373945.

It is an arithmetic number, because the mean of its divisors is an integer number (2243610).

Almost surely, 2^8226559 is an apocalyptic number.

8226559 is a deficient number, since it is larger than the sum of its proper divisors (747881).

8226559 is a wasteful number, since it uses less digits than its factorization.

8226559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747880.

The product of its digits is 43200, while the sum is 37.

The square root of 8226559 is about 2868.1978662568. The cubic root of 8226559 is about 201.8704443246.

It can be divided in two parts, 822 and 6559, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 8226559 in words is "eight million, two hundred twenty-six thousand, five hundred fifty-nine".