22889219 has 2 divisors, whose sum is σ = 22889220. Its totient is φ = 22889218.

The previous prime is 22889203. The next prime is 22889239. The reversal of 22889219 is 91298822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22889219 - 2⁴ = 22889203 is a prime.

It is a super-2 number, since 2×22889219² = 1047832692859922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22889239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11444609 + 11444610.

It is an arithmetic number, because the mean of its divisors is an integer number (11444610).

Almost surely, 2^22889219 is an apocalyptic number.

22889219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22889219 is an equidigital number, since it uses as much as digits as its factorization.

22889219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 22889219 is about 4784.2678645745. The cubic root of 22889219 is about 283.9293739277.

The spelling of 22889219 in words is "twenty-two million, eight hundred eighty-nine thousand, two hundred nineteen".