1224430443 has 6 divisors (see below), whose sum is σ = 1768621764. Its totient is φ = 816286956.

The previous prime is 1224430439. The next prime is 1224430453. The reversal of 1224430443 is 3440344221.

It is a happy number.

1224430443 is a `hidden beast` number, since 1 + 224 + 430 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 1224430443 - 2² = 1224430439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224430453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68023905 + ... + 68023922.

It is an arithmetic number, because the mean of its divisors is an integer number (294770294).

Almost surely, 2^1224430443 is an apocalyptic number.

1224430443 is a deficient number, since it is larger than the sum of its proper divisors (544191321).

1224430443 is a wasteful number, since it uses less digits than its factorization.

1224430443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136047833 (or 136047830 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1224430443 is about 34991.8625254501. The cubic root of 1224430443 is about 1069.8216265970.

Adding to 1224430443 its reverse (3440344221), we get a palindrome (4664774664).

The spelling of 1224430443 in words is "one billion, two hundred twenty-four million, four hundred thirty thousand, four hundred forty-three".