33342229 has 2 divisors, whose sum is σ = 33342230. Its totient is φ = 33342228.

The previous prime is 33342209. The next prime is 33342241. The reversal of 33342229 is 92224333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24354225 + 8988004 = 4935^2 + 2998^2 .

It is an emirp because it is prime and its reverse (92224333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33342229 - 2¹⁵ = 33309461 is a prime.

It is a super-2 number, since 2×33342229² = 2223408469376882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33342197 and 33342206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33342209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16671114 + 16671115.

It is an arithmetic number, because the mean of its divisors is an integer number (16671115).

Almost surely, 2^33342229 is an apocalyptic number.

It is an amenable number.

33342229 is a deficient number, since it is larger than the sum of its proper divisors (1).

33342229 is an equidigital number, since it uses as much as digits as its factorization.

33342229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

The square root of 33342229 is about 5774.2730278365. The cubic root of 33342229 is about 321.8584212280.

The spelling of 33342229 in words is "thirty-three million, three hundred forty-two thousand, two hundred twenty-nine".