8221066526 has 8 divisors (see below), whose sum is σ = 12470157360. Its totient is φ = 4064347408.

The previous prime is 8221066493. The next prime is 8221066531. The reversal of 8221066526 is 6256601228.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8221066526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23092706 + ... + 23093061.

It is an arithmetic number, because the mean of its divisors is an integer number (1558769670).

Almost surely, 2^8221066526 is an apocalyptic number.

8221066526 is a deficient number, since it is larger than the sum of its proper divisors (4249090834).

8221066526 is a wasteful number, since it uses less digits than its factorization.

8221066526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46185858.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 8221066526 is about 90670.0971985803. The cubic root of 8221066526 is about 2018.2550795792.

The spelling of 8221066526 in words is "eight billion, two hundred twenty-one million, sixty-six thousand, five hundred twenty-six".