133222289 has 2 divisors, whose sum is σ = 133222290. Its totient is φ = 133222288.

The previous prime is 133222277. The next prime is 133222291. The reversal of 133222289 is 982222331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97318225 + 35904064 = 9865^2 + 5992^2 .

It is a cyclic number.

It is not a de Polignac number, because 133222289 - 2⁴ = 133222273 is a prime.

Together with 133222291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133222589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611144 + 66611145.

It is an arithmetic number, because the mean of its divisors is an integer number (66611145).

Almost surely, 2^133222289 is an apocalyptic number.

It is an amenable number.

133222289 is a deficient number, since it is larger than the sum of its proper divisors (1).

133222289 is an equidigital number, since it uses as much as digits as its factorization.

133222289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 133222289 is about 11542.1960215550. The cubic root of 133222289 is about 510.7310916722.

The spelling of 133222289 in words is "one hundred thirty-three million, two hundred twenty-two thousand, two hundred eighty-nine".