133223219 has 2 divisors, whose sum is σ = 133223220. Its totient is φ = 133223218.

The previous prime is 133223183. The next prime is 133223243. The reversal of 133223219 is 912322331.

It is a strong prime.

It is an emirp because it is prime and its reverse (912322331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133223219 - 2¹⁶ = 133157683 is a prime.

It is a super-2 number, since 2×133223219² = 35496852161443922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133223249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611609 + 66611610.

It is an arithmetic number, because the mean of its divisors is an integer number (66611610).

Almost surely, 2^133223219 is an apocalyptic number.

133223219 is a deficient number, since it is larger than the sum of its proper divisors (1).

133223219 is an equidigital number, since it uses as much as digits as its factorization.

133223219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 133223219 is about 11542.2363084456. The cubic root of 133223219 is about 510.7322801090.

The spelling of 133223219 in words is "one hundred thirty-three million, two hundred twenty-three thousand, two hundred nineteen".