2257262191 has 2 divisors, whose sum is σ = 2257262192. Its totient is φ = 2257262190.

The previous prime is 2257262173. The next prime is 2257262243. The reversal of 2257262191 is 1912627522.

2257262191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2257262191 - 2¹¹ = 2257260143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2257262191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257262101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128631095 + 1128631096.

It is an arithmetic number, because the mean of its divisors is an integer number (1128631096).

Almost surely, 2^2257262191 is an apocalyptic number.

2257262191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257262191 is an equidigital number, since it uses as much as digits as its factorization.

2257262191 is an evil number, because the sum of its binary digits is even.

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

The square root of 2257262191 is about 47510.6534474111. The cubic root of 2257262191 is about 1311.7789848603.

The spelling of 2257262191 in words is "two billion, two hundred fifty-seven million, two hundred sixty-two thousand, one hundred ninety-one".