8226564 has 12 divisors (see below), whose sum is σ = 19195344. Its totient is φ = 2742184.

The previous prime is 8226553. The next prime is 8226577. The reversal of 8226564 is 4656228.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342762 + ... + 342785.

It is an arithmetic number, because the mean of its divisors is an integer number (1599612).

Almost surely, 2^8226564 is an apocalyptic number.

It is an amenable number.

8226564 is an abundant number, since it is smaller than the sum of its proper divisors (10968780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8226564 is a wasteful number, since it uses less digits than its factorization.

8226564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685554 (or 685552 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 8226564 is about 2868.1987378841. The cubic root of 8226564 is about 201.8704852227.

The spelling of 8226564 in words is "eight million, two hundred twenty-six thousand, five hundred sixty-four".