33940229 has 2 divisors, whose sum is σ = 33940230. Its totient is φ = 33940228.

The previous prime is 33940199. The next prime is 33940259. The reversal of 33940229 is 92204933.

It is a balanced prime because it is at equal distance from previous prime (33940199) and next prime (33940259).

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 9604 = 5825^2 + 98^2 .

It is an emirp because it is prime and its reverse (92204933) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33940229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33940195 and 33940204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33940259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16970114 + 16970115.

It is an arithmetic number, because the mean of its divisors is an integer number (16970115).

Almost surely, 2^33940229 is an apocalyptic number.

It is an amenable number.

33940229 is a deficient number, since it is larger than the sum of its proper divisors (1).

33940229 is an equidigital number, since it uses as much as digits as its factorization.

33940229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 33940229 is about 5825.8243193560. The cubic root of 33940229 is about 323.7712307003.

The spelling of 33940229 in words is "thirty-three million, nine hundred forty thousand, two hundred twenty-nine".