2212112022257 has 2 divisors, whose sum is σ = 2212112022258. Its totient is φ = 2212112022256.

The previous prime is 2212112022167. The next prime is 2212112022277. The reversal of 2212112022257 is 7522202112122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2212094010721 + 18011536 = 1487311^2 + 4244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212112022257 - 2¹⁸ = 2212111760113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212112022277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106056011128 + 1106056011129.

It is an arithmetic number, because the mean of its divisors is an integer number (1106056011129).

Almost surely, 2^{2212112022257} is an apocalyptic number.

It is an amenable number.

2212112022257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212112022257 is an equidigital number, since it uses as much as digits as its factorization.

2212112022257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 2212112022257 its reverse (7522202112122), we get a palindrome (9734314134379).

The spelling of 2212112022257 in words is "two trillion, two hundred twelve billion, one hundred twelve million, twenty-two thousand, two hundred fifty-seven".