1223322402241 has 2 divisors, whose sum is σ = 1223322402242. Its totient is φ = 1223322402240.

The previous prime is 1223322402173. The next prime is 1223322402251. The reversal of 1223322402241 is 1422042233221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932257836225 + 291064566016 = 965535^2 + 539504^2 .

It is an emirp because it is prime and its reverse (1422042233221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223322402241 - 2¹¹ = 1223322400193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223322402251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611661201120 + 611661201121.

It is an arithmetic number, because the mean of its divisors is an integer number (611661201121).

Almost surely, 2^{1223322402241} is an apocalyptic number.

It is an amenable number.

1223322402241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223322402241 is an equidigital number, since it uses as much as digits as its factorization.

1223322402241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1223322402241 its reverse (1422042233221), we get a palindrome (2645364635462).

The spelling of 1223322402241 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, four hundred two thousand, two hundred forty-one".