2198260919 has 2 divisors, whose sum is σ = 2198260920. Its totient is φ = 2198260918.

The previous prime is 2198260861. The next prime is 2198260927. The reversal of 2198260919 is 9190628912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2198260919 - 2²⁰ = 2197212343 is a prime.

It is a super-2 number, since 2×2198260919² = 9664702136005449122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198260969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099130459 + 1099130460.

It is an arithmetic number, because the mean of its divisors is an integer number (1099130460).

Almost surely, 2^2198260919 is an apocalyptic number.

2198260919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198260919 is an equidigital number, since it uses as much as digits as its factorization.

2198260919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 2198260919 is about 46885.6152673717. The cubic root of 2198260919 is about 1300.2486544086.

The spelling of 2198260919 in words is "two billion, one hundred ninety-eight million, two hundred sixty thousand, nine hundred nineteen".