8225198857 has 8 divisors (see below), whose sum is σ = 8842320000. Its totient is φ = 7626499344.

The previous prime is 8225198837. The next prime is 8225198867. The reversal of 8225198857 is 7588915228.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8225198857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8225198798 and 8225198807.

It is not an unprimeable number, because it can be changed into a prime (8225198837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4604482 + ... + 4606267.

It is an arithmetic number, because the mean of its divisors is an integer number (1105290000).

Almost surely, 2^8225198857 is an apocalyptic number.

It is an amenable number.

8225198857 is a deficient number, since it is larger than the sum of its proper divisors (617121143).

8225198857 is a wasteful number, since it uses less digits than its factorization.

8225198857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9210815.

The product of its digits is 3225600, while the sum is 55.

The square root of 8225198857 is about 90692.8820635887. The cubic root of 8225198857 is about 2018.5931825494.

The spelling of 8225198857 in words is "eight billion, two hundred twenty-five million, one hundred ninety-eight thousand, eight hundred fifty-seven".