22268219 has 2 divisors, whose sum is σ = 22268220. Its totient is φ = 22268218.

The previous prime is 22268203. The next prime is 22268221. The reversal of 22268219 is 91286222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22268219 - 2⁴ = 22268203 is a prime.

It is a super-2 number, since 2×22268219² = 991747154863922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 22268221, 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 (22168219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11134109 + 11134110.

It is an arithmetic number, because the mean of its divisors is an integer number (11134110).

Almost surely, 2^22268219 is an apocalyptic number.

22268219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22268219 is an equidigital number, since it uses as much as digits as its factorization.

22268219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 22268219 is about 4718.9213809938. The cubic root of 22268219 is about 281.3380640113.

The spelling of 22268219 in words is "twenty-two million, two hundred sixty-eight thousand, two hundred nineteen".