133302229 has 2 divisors, whose sum is σ = 133302230. Its totient is φ = 133302228.

The previous prime is 133302203. The next prime is 133302283. The reversal of 133302229 is 922203331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124880625 + 8421604 = 11175^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 133302229 - 2⁷ = 133302101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133302289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66651114 + 66651115.

It is an arithmetic number, because the mean of its divisors is an integer number (66651115).

Almost surely, 2^133302229 is an apocalyptic number.

It is an amenable number.

133302229 is a deficient number, since it is larger than the sum of its proper divisors (1).

133302229 is an equidigital number, since it uses as much as digits as its factorization.

133302229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 133302229 is about 11545.6584480921. The cubic root of 133302229 is about 510.8332259328.

The spelling of 133302229 in words is "one hundred thirty-three million, three hundred two thousand, two hundred twenty-nine".