33242219 has 2 divisors, whose sum is σ = 33242220. Its totient is φ = 33242218.

The previous prime is 33242171. The next prime is 33242221. The reversal of 33242219 is 91224233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33242219 - 2²⁴ = 16465003 is a prime.

It is a super-2 number, since 2×33242219² = 2210090248087922, which contains 22 as substring.

Together with 33242221, 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 (33242239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621109 + 16621110.

It is an arithmetic number, because the mean of its divisors is an integer number (16621110).

Almost surely, 2^33242219 is an apocalyptic number.

33242219 is a deficient number, since it is larger than the sum of its proper divisors (1).

33242219 is an equidigital number, since it uses as much as digits as its factorization.

33242219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 33242219 is about 5765.6065595911. The cubic root of 33242219 is about 321.5362942127.

The spelling of 33242219 in words is "thirty-three million, two hundred forty-two thousand, two hundred nineteen".