2222214122257 has 2 divisors, whose sum is σ = 2222214122258. Its totient is φ = 2222214122256.

The previous prime is 2222214122207. The next prime is 2222214122269. The reversal of 2222214122257 is 7522214122222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2029601978881 + 192612143376 = 1424641^2 + 438876^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222214122257 - 2¹¹ = 2222214120209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222214122207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111107061128 + 1111107061129.

It is an arithmetic number, because the mean of its divisors is an integer number (1111107061129).

Almost surely, 2^{2222214122257} is an apocalyptic number.

It is an amenable number.

2222214122257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222214122257 is an equidigital number, since it uses as much as digits as its factorization.

2222214122257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 34.

Adding to 2222214122257 its reverse (7522214122222), we get a palindrome (9744428244479).

The spelling of 2222214122257 in words is "two trillion, two hundred twenty-two billion, two hundred fourteen million, one hundred twenty-two thousand, two hundred fifty-seven".