2216262142057 has 2 divisors, whose sum is σ = 2216262142058. Its totient is φ = 2216262142056.

The previous prime is 2216262142051. The next prime is 2216262142091. The reversal of 2216262142057 is 7502412626122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1264498001001 + 951764141056 = 1124499^2 + 975584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216262142057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2216262142051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108131071028 + 1108131071029.

It is an arithmetic number, because the mean of its divisors is an integer number (1108131071029).

Almost surely, 2^{2216262142057} is an apocalyptic number.

It is an amenable number.

2216262142057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216262142057 is an equidigital number, since it uses as much as digits as its factorization.

2216262142057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 2216262142057 its reverse (7502412626122), we get a palindrome (9718674768179).

The spelling of 2216262142057 in words is "two trillion, two hundred sixteen billion, two hundred sixty-two million, one hundred forty-two thousand, fifty-seven".