2214331115257 has 2 divisors, whose sum is σ = 2214331115258. Its totient is φ = 2214331115256.

The previous prime is 2214331115167. The next prime is 2214331115267. The reversal of 2214331115257 is 7525111334122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2170232795241 + 44098320016 = 1473171^2 + 209996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2214331115257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2214331115267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107165557628 + 1107165557629.

It is an arithmetic number, because the mean of its divisors is an integer number (1107165557629).

Almost surely, 2^{2214331115257} is an apocalyptic number.

It is an amenable number.

2214331115257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214331115257 is an equidigital number, since it uses as much as digits as its factorization.

2214331115257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

Adding to 2214331115257 its reverse (7525111334122), we get a palindrome (9739442449379).

The spelling of 2214331115257 in words is "two trillion, two hundred fourteen billion, three hundred thirty-one million, one hundred fifteen thousand, two hundred fifty-seven".