133220223233 has 2 divisors, whose sum is σ = 133220223234. Its totient is φ = 133220223232.

The previous prime is 133220223193. The next prime is 133220223251. The reversal of 133220223233 is 332322022331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132891598849 + 328624384 = 364543^2 + 18128^2 .

It is a cyclic number.

It is not a de Polignac number, because 133220223233 - 2¹⁸ = 133219961089 is a prime.

It is not a weakly prime, because it can be changed into another prime (133220223133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66610111616 + 66610111617.

It is an arithmetic number, because the mean of its divisors is an integer number (66610111617).

Almost surely, 2^133220223233 is an apocalyptic number.

It is an amenable number.

133220223233 is a deficient number, since it is larger than the sum of its proper divisors (1).

133220223233 is an equidigital number, since it uses as much as digits as its factorization.

133220223233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 133220223233 its reverse (332322022331), we get a palindrome (465542245564).

The spelling of 133220223233 in words is "one hundred thirty-three billion, two hundred twenty million, two hundred twenty-three thousand, two hundred thirty-three".