13223220133 has 2 divisors, whose sum is σ = 13223220134. Its totient is φ = 13223220132.

The previous prime is 13223220113. The next prime is 13223220137. The reversal of 13223220133 is 33102232231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8135679204 + 5087540929 = 90198^2 + 71327^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223220133 - 2¹³ = 13223211941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223220137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611610066 + 6611610067.

It is an arithmetic number, because the mean of its divisors is an integer number (6611610067).

Almost surely, 2^13223220133 is an apocalyptic number.

It is an amenable number.

13223220133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223220133 is an equidigital number, since it uses as much as digits as its factorization.

13223220133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13223220133 its reverse (33102232231), we get a palindrome (46325452364).

The spelling of 13223220133 in words is "thirteen billion, two hundred twenty-three million, two hundred twenty thousand, one hundred thirty-three".