2198219893 has 2 divisors, whose sum is σ = 2198219894. Its totient is φ = 2198219892.

The previous prime is 2198219861. The next prime is 2198219911. The reversal of 2198219893 is 3989128912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2074164849 + 124055044 = 45543^2 + 11138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198219893 - 2⁵ = 2198219861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2198219893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198219843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099109946 + 1099109947.

It is an arithmetic number, because the mean of its divisors is an integer number (1099109947).

Almost surely, 2^2198219893 is an apocalyptic number.

It is an amenable number.

2198219893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198219893 is an equidigital number, since it uses as much as digits as its factorization.

2198219893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 52.

The square root of 2198219893 is about 46885.1777537422. The cubic root of 2198219893 is about 1300.2405655397.

The spelling of 2198219893 in words is "two billion, one hundred ninety-eight million, two hundred nineteen thousand, eight hundred ninety-three".