2265740191 has 16 divisors (see below), whose sum is σ = 2665998720. Its totient is φ = 1898356320.

The previous prime is 2265740179. The next prime is 2265740203. The reversal of 2265740191 is 1910475622.

It is an interprime number because it is at equal distance from previous prime (2265740179) and next prime (2265740203).

It is a cyclic number.

It is not a de Polignac number, because 2265740191 - 2¹⁹ = 2265215903 is a prime.

It is a super-2 number, since 2×2265740191² = 10267157226225432962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2265740191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265740111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82216 + ... + 106258.

It is an arithmetic number, because the mean of its divisors is an integer number (166624920).

Almost surely, 2^2265740191 is an apocalyptic number.

2265740191 is a deficient number, since it is larger than the sum of its proper divisors (400258529).

2265740191 is a wasteful number, since it uses less digits than its factorization.

2265740191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24726.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2265740191 is about 47599.7919218141. The cubic root of 2265740191 is about 1313.4192267268.

The spelling of 2265740191 in words is "two billion, two hundred sixty-five million, seven hundred forty thousand, one hundred ninety-one".