1222323331057 has 2 divisors, whose sum is σ = 1222323331058. Its totient is φ = 1222323331056.

The previous prime is 1222323331051. The next prime is 1222323331199. The reversal of 1222323331057 is 7501333232221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855706401936 + 366616929121 = 925044^2 + 605489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222323331057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222323331051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611161665528 + 611161665529.

It is an arithmetic number, because the mean of its divisors is an integer number (611161665529).

Almost surely, 2^{1222323331057} is an apocalyptic number.

It is an amenable number.

1222323331057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222323331057 is an equidigital number, since it uses as much as digits as its factorization.

1222323331057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 1222323331057 its reverse (7501333232221), we get a palindrome (8723656563278).

The spelling of 1222323331057 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-three million, three hundred thirty-one thousand, fifty-seven".