1224330243 has 16 divisors (see below), whose sum is σ = 1643424000. Its totient is φ = 810744480.

The previous prime is 1224330223. The next prime is 1224330277. The reversal of 1224330243 is 3420334221.

It is not a de Polignac number, because 1224330243 - 2⁶ = 1224330179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224330223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377553 + ... + 380781.

It is an arithmetic number, because the mean of its divisors is an integer number (102714000).

Almost surely, 2^1224330243 is an apocalyptic number.

1224330243 is a deficient number, since it is larger than the sum of its proper divisors (419093757).

1224330243 is a wasteful number, since it uses less digits than its factorization.

1224330243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1224330243 is about 34990.4307347023. The cubic root of 1224330243 is about 1069.7924432185.

Adding to 1224330243 its reverse (3420334221), we get a palindrome (4644664464).

It can be divided in two parts, 12243 and 30243, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 1224330243 in words is "one billion, two hundred twenty-four million, three hundred thirty thousand, two hundred forty-three".