1224430312 has 32 divisors (see below), whose sum is σ = 2708421120. Its totient is φ = 507827520.

The previous prime is 1224430271. The next prime is 1224430313. The reversal of 1224430312 is 2130344221.

It is not an unprimeable number, because it can be changed into a prime (1224430313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350923 + ... + 354394.

It is an arithmetic number, because the mean of its divisors is an integer number (84638160).

Almost surely, 2^1224430312 is an apocalyptic number.

It is an amenable number.

1224430312 is an abundant number, since it is smaller than the sum of its proper divisors (1483990808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224430312 is a wasteful number, since it uses less digits than its factorization.

1224430312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705361 (or 705357 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1224430312 is about 34991.8606535863. The cubic root of 1224430312 is about 1069.8215884442.

Adding to 1224430312 its reverse (2130344221), we get a palindrome (3354774533).

The spelling of 1224430312 in words is "one billion, two hundred twenty-four million, four hundred thirty thousand, three hundred twelve".