8221259006 has 8 divisors (see below), whose sum is σ = 12334376280. Its totient is φ = 4109800248.

The previous prime is 8221258961. The next prime is 8221259027. The reversal of 8221259006 is 6009521228.

It is a happy number.

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

It is a super-2 number, since 2×8221259006² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402161 + ... + 422108.

It is an arithmetic number, because the mean of its divisors is an integer number (1541797035).

Almost surely, 2^8221259006 is an apocalyptic number.

8221259006 is a deficient number, since it is larger than the sum of its proper divisors (4113117274).

8221259006 is a wasteful number, since it uses less digits than its factorization.

8221259006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829258.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8221259006 is about 90671.1586227947. The cubic root of 8221259006 is about 2018.2708306055.

The spelling of 8221259006 in words is "eight billion, two hundred twenty-one million, two hundred fifty-nine thousand, six".