22022219 has 2 divisors, whose sum is σ = 22022220. Its totient is φ = 22022218.

The previous prime is 22022213. The next prime is 22022227. The reversal of 22022219 is 91222022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22022219 - 2⁸ = 22021963 is a prime.

It is a super-2 number, since 2×22022219² = 969956259367922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22022219.

It is not a weakly prime, because it can be changed into another prime (22022213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011109 + 11011110.

It is an arithmetic number, because the mean of its divisors is an integer number (11011110).

Almost surely, 2^22022219 is an apocalyptic number.

22022219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022219 is an equidigital number, since it uses as much as digits as its factorization.

22022219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22022219 is about 4692.7837154508. The cubic root of 22022219 is about 280.2982324053.

The spelling of 22022219 in words is "twenty-two million, twenty-two thousand, two hundred nineteen".