33305212229 has 2 divisors, whose sum is σ = 33305212230. Its totient is φ = 33305212228.

The previous prime is 33305212223. The next prime is 33305212273. The reversal of 33305212229 is 92221250333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27200915329 + 6104296900 = 164927^2 + 78130^2 .

It is a cyclic number.

It is not a de Polignac number, because 33305212229 - 2²⁰ = 33304163653 is a prime.

It is a super-2 number, since 2×33305212229² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33305212195 and 33305212204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33305212223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16652606114 + 16652606115.

It is an arithmetic number, because the mean of its divisors is an integer number (16652606115).

Almost surely, 2^33305212229 is an apocalyptic number.

It is an amenable number.

33305212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

33305212229 is an equidigital number, since it uses as much as digits as its factorization.

33305212229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 33305212229 in words is "thirty-three billion, three hundred five million, two hundred twelve thousand, two hundred twenty-nine".