1224230443 has 2 divisors, whose sum is σ = 1224230444. Its totient is φ = 1224230442.

The previous prime is 1224230377. The next prime is 1224230461. The reversal of 1224230443 is 3440324221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224230443 - 2²¹ = 1222133291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224230543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612115221 + 612115222.

It is an arithmetic number, because the mean of its divisors is an integer number (612115222).

Almost surely, 2^1224230443 is an apocalyptic number.

1224230443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224230443 is an equidigital number, since it uses as much as digits as its factorization.

1224230443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1224230443 is about 34989.0046014459. The cubic root of 1224230443 is about 1069.7633747578.

Adding to 1224230443 its reverse (3440324221), we get a palindrome (4664554664).

The spelling of 1224230443 in words is "one billion, two hundred twenty-four million, two hundred thirty thousand, four hundred forty-three".