2222323236557 has 2 divisors, whose sum is σ = 2222323236558. Its totient is φ = 2222323236556.

The previous prime is 2222323236533. The next prime is 2222323236649. The reversal of 2222323236557 is 7556323232222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287632598121 + 934690638436 = 1134739^2 + 966794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222323236557 - 2⁶ = 2222323236493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222323236517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111161618278 + 1111161618279.

It is an arithmetic number, because the mean of its divisors is an integer number (1111161618279).

Almost surely, 2^{2222323236557} is an apocalyptic number.

It is an amenable number.

2222323236557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222323236557 is an equidigital number, since it uses as much as digits as its factorization.

2222323236557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 44.

Adding to 2222323236557 its reverse (7556323232222), we get a palindrome (9778646468779).

The spelling of 2222323236557 in words is "two trillion, two hundred twenty-two billion, three hundred twenty-three million, two hundred thirty-six thousand, five hundred fifty-seven".