1224513330 has 192 divisors, whose sum is σ = 3363655680. Its totient is φ = 284169600.

The previous prime is 1224513259. The next prime is 1224513341. The reversal of 1224513330 is 333154221.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224513330.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9347365 + ... + 9347495.

It is an arithmetic number, because the mean of its divisors is an integer number (17519040).

Almost surely, 2^1224513330 is an apocalyptic number.

1224513330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224513330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681827840).

1224513330 is an abundant number, since it is smaller than the sum of its proper divisors (2139142350).

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

1224513330 is a wasteful number, since it uses less digits than its factorization.

1224513330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1224513330 is about 34993.0468807733. The cubic root of 1224513330 is about 1069.8457663389.

Adding to 1224513330 its reverse (333154221), we get a palindrome (1557667551).

The spelling of 1224513330 in words is "one billion, two hundred twenty-four million, five hundred thirteen thousand, three hundred thirty".