2257262243 has 2 divisors, whose sum is σ = 2257262244. Its totient is φ = 2257262242.

The previous prime is 2257262191. The next prime is 2257262269. The reversal of 2257262243 is 3422627522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2257262243 - 2⁸ = 2257261987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257261243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128631121 + 1128631122.

It is an arithmetic number, because the mean of its divisors is an integer number (1128631122).

Almost surely, 2^2257262243 is an apocalyptic number.

2257262243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257262243 is an equidigital number, since it uses as much as digits as its factorization.

2257262243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 35.

The square root of 2257262243 is about 47510.6539946568. The cubic root of 2257262243 is about 1311.7789949334.

Adding to 2257262243 its reverse (3422627522), we get a palindrome (5679889765).

The spelling of 2257262243 in words is "two billion, two hundred fifty-seven million, two hundred sixty-two thousand, two hundred forty-three".