23224219 has 2 divisors, whose sum is σ = 23224220. Its totient is φ = 23224218.

The previous prime is 23224217. The next prime is 23224231. The reversal of 23224219 is 91242232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23224219 - 2¹ = 23224217 is a prime.

It is a super-2 number, since 2×23224219² = 1078728696319922, which contains 22 as substring.

Together with 23224217, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23224193 and 23224202.

It is not a weakly prime, because it can be changed into another prime (23224211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612109 + 11612110.

It is an arithmetic number, because the mean of its divisors is an integer number (11612110).

Almost surely, 2^23224219 is an apocalyptic number.

23224219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23224219 is an equidigital number, since it uses as much as digits as its factorization.

23224219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 23224219 is about 4819.1512738241. The cubic root of 23224219 is about 285.3078401407.

The spelling of 23224219 in words is "twenty-three million, two hundred twenty-four thousand, two hundred nineteen".