1224444223 has 2 divisors, whose sum is σ = 1224444224. Its totient is φ = 1224444222.

The previous prime is 1224444191. The next prime is 1224444251. The reversal of 1224444223 is 3224444221.

It is an a-pointer prime, because the next prime (1224444251) can be obtained adding 1224444223 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224444223 - 2⁵ = 1224444191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224444191 and 1224444200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224444253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612222111 + 612222112.

It is an arithmetic number, because the mean of its divisors is an integer number (612222112).

Almost surely, 2^1224444223 is an apocalyptic number.

1224444223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224444223 is an equidigital number, since it uses as much as digits as its factorization.

1224444223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 28.

The square root of 1224444223 is about 34992.0594278188. The cubic root of 1224444223 is about 1069.8256399152.

Adding to 1224444223 its reverse (3224444221), we get a palindrome (4448888444).

The spelling of 1224444223 in words is "one billion, two hundred twenty-four million, four hundred forty-four thousand, two hundred twenty-three".