2274509191 has 2 divisors, whose sum is σ = 2274509192. Its totient is φ = 2274509190.

The previous prime is 2274509173. The next prime is 2274509197. The reversal of 2274509191 is 1919054722.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2274509191 - 2²¹ = 2272412039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2274509197) 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, 1137254595 + 1137254596.

It is an arithmetic number, because the mean of its divisors is an integer number (1137254596).

Almost surely, 2^2274509191 is an apocalyptic number.

2274509191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2274509191 is an equidigital number, since it uses as much as digits as its factorization.

2274509191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 2274509191 is about 47691.8147169931. The cubic root of 2274509191 is about 1315.1114693924. Note that the first 3 decimals are identical.

The spelling of 2274509191 in words is "two billion, two hundred seventy-four million, five hundred nine thousand, one hundred ninety-one".