1224603213 has 24 divisors (see below), whose sum is σ = 1721922720. Its totient is φ = 773223360.

The previous prime is 1224603203. The next prime is 1224603217. The reversal of 1224603213 is 3123064221.

It is not a de Polignac number, because 1224603213 - 2¹⁴ = 1224586829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224603217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241878 + ... + 246888.

It is an arithmetic number, because the mean of its divisors is an integer number (71746780).

Almost surely, 2^1224603213 is an apocalyptic number.

It is an amenable number.

1224603213 is a deficient number, since it is larger than the sum of its proper divisors (497319507).

1224603213 is an equidigital number, since it uses as much as digits as its factorization.

1224603213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149 (or 5096 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1224603213 is about 34994.3311552028. The cubic root of 1224603213 is about 1069.8719423420.

Adding to 1224603213 its reverse (3123064221), we get a palindrome (4347667434).

The spelling of 1224603213 in words is "one billion, two hundred twenty-four million, six hundred three thousand, two hundred thirteen".