8225945915 has 16 divisors (see below), whose sum is σ = 10828018656. Its totient is φ = 5949446400.

The previous prime is 8225945843. The next prime is 8225945921. The reversal of 8225945915 is 5195495228.

It is a happy number.

It is not a de Polignac number, because 8225945915 - 2²⁸ = 7957510459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403202 + ... + 423111.

It is an arithmetic number, because the mean of its divisors is an integer number (676751166).

Almost surely, 2^8225945915 is an apocalyptic number.

8225945915 is a deficient number, since it is larger than the sum of its proper divisors (2602072741).

8225945915 is a wasteful number, since it uses less digits than its factorization.

8225945915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826510.

The product of its digits is 1296000, while the sum is 50.

The square root of 8225945915 is about 90697.0005843633. Note that the first 3 decimals coincide. The cubic root of 8225945915 is about 2018.6542939608.

The spelling of 8225945915 in words is "eight billion, two hundred twenty-five million, nine hundred forty-five thousand, nine hundred fifteen".