133332229 has 2 divisors, whose sum is σ = 133332230. Its totient is φ = 133332228.

The previous prime is 133332217. The next prime is 133332239. The reversal of 133332229 is 922233331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80013025 + 53319204 = 8945^2 + 7302^2 .

It is an emirp because it is prime and its reverse (922233331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133332229 - 2⁵ = 133332197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133332197 and 133332206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133332239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66666114 + 66666115.

It is an arithmetic number, because the mean of its divisors is an integer number (66666115).

Almost surely, 2^133332229 is an apocalyptic number.

It is an amenable number.

133332229 is a deficient number, since it is larger than the sum of its proper divisors (1).

133332229 is an equidigital number, since it uses as much as digits as its factorization.

133332229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

The square root of 133332229 is about 11546.9575646575. The cubic root of 133332229 is about 510.8715444901.

The spelling of 133332229 in words is "one hundred thirty-three million, three hundred thirty-two thousand, two hundred twenty-nine".