8198228959 has 2 divisors, whose sum is σ = 8198228960. Its totient is φ = 8198228958.

The previous prime is 8198228939. The next prime is 8198228963. The reversal of 8198228959 is 9598228918.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8198228959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8198228897 and 8198228906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8198228939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099114479 + 4099114480.

It is an arithmetic number, because the mean of its divisors is an integer number (4099114480).

Almost surely, 2^8198228959 is an apocalyptic number.

8198228959 is a deficient number, since it is larger than the sum of its proper divisors (1).

8198228959 is an equidigital number, since it uses as much as digits as its factorization.

8198228959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 61.

The square root of 8198228959 is about 90544.0719152833. The cubic root of 8198228959 is about 2016.3844876621.

The spelling of 8198228959 in words is "eight billion, one hundred ninety-eight million, two hundred twenty-eight thousand, nine hundred fifty-nine".