1224704343 has 4 divisors (see below), whose sum is σ = 1632939128. Its totient is φ = 816469560.

The previous prime is 1224704339. The next prime is 1224704363. The reversal of 1224704343 is 3434074221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434074221 = 3 ⋅1144691407.

It is not a de Polignac number, because 1224704343 - 2² = 1224704339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224704343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224704363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204117388 + ... + 204117393.

It is an arithmetic number, because the mean of its divisors is an integer number (408234782).

Almost surely, 2^1224704343 is an apocalyptic number.

1224704343 is a deficient number, since it is larger than the sum of its proper divisors (408234785).

1224704343 is an equidigital number, since it uses as much as digits as its factorization.

1224704343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408234784.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 1224704343 is about 34995.7760736921. The cubic root of 1224704343 is about 1069.9013921998.

Adding to 1224704343 its reverse (3434074221), we get a palindrome (4658778564).

The spelling of 1224704343 in words is "one billion, two hundred twenty-four million, seven hundred four thousand, three hundred forty-three".