2238810191 has 2 divisors, whose sum is σ = 2238810192. Its totient is φ = 2238810190.

The previous prime is 2238810181. The next prime is 2238810239. The reversal of 2238810191 is 1910188322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2238810191 - 2²⁶ = 2171701327 is a prime.

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 (2238810131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119405095 + 1119405096.

It is an arithmetic number, because the mean of its divisors is an integer number (1119405096).

Almost surely, 2^2238810191 is an apocalyptic number.

2238810191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238810191 is an equidigital number, since it uses as much as digits as its factorization.

2238810191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 2238810191 is about 47316.0669434813. The cubic root of 2238810191 is about 1308.1948197048.

The spelling of 2238810191 in words is "two billion, two hundred thirty-eight million, eight hundred ten thousand, one hundred ninety-one".