8216225605 has 16 divisors (see below), whose sum is σ = 11269440000. Its totient is φ = 5633246592.

The previous prime is 8216225561. The next prime is 8216225621. The reversal of 8216225605 is 5065226128.

It is a cyclic number.

It is not a de Polignac number, because 8216225605 - 2⁹ = 8216225093 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 497521 + ... + 513769.

It is an arithmetic number, because the mean of its divisors is an integer number (704340000).

Almost surely, 2^8216225605 is an apocalyptic number.

It is an amenable number.

8216225605 is a deficient number, since it is larger than the sum of its proper divisors (3053214395).

8216225605 is a wasteful number, since it uses less digits than its factorization.

8216225605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30708.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 8216225605 is about 90643.3980221395. The cubic root of 8216225605 is about 2017.8588563842.

The spelling of 8216225605 in words is "eight billion, two hundred sixteen million, two hundred twenty-five thousand, six hundred five".