22828219 has 2 divisors, whose sum is σ = 22828220. Its totient is φ = 22828218.

The previous prime is 22828217. The next prime is 22828231. The reversal of 22828219 is 91282822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22828219 - 2¹ = 22828217 is a prime.

It is a super-2 number, since 2×22828219² = 1042255165423922, which contains 22 as substring.

Together with 22828217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22828217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11414109 + 11414110.

It is an arithmetic number, because the mean of its divisors is an integer number (11414110).

Almost surely, 2^22828219 is an apocalyptic number.

22828219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22828219 is an equidigital number, since it uses as much as digits as its factorization.

22828219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 22828219 is about 4777.8885503955. Note that the first 3 decimals coincide. The cubic root of 22828219 is about 283.6769246509.

It can be divided in two parts, 2282 and 8219, that added together give a palindrome (10501).

The spelling of 22828219 in words is "twenty-two million, eight hundred twenty-eight thousand, two hundred nineteen".