1330221424 has 30 divisors (see below), whose sum is σ = 2998090104. Its totient is φ = 570094560.

The previous prime is 1330221419. The next prime is 1330221443. The reversal of 1330221424 is 4241220331.

It is a junction number, because it is equal to n+sod(n) for n = 1330221395 and 1330221404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847572 + ... + 849139.

Almost surely, 2^1330221424 is an apocalyptic number.

1330221424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1330221424 is an abundant number, since it is smaller than the sum of its proper divisors (1667868680).

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

1330221424 is a wasteful number, since it uses less digits than its factorization.

1330221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696733 (or 1696720 counting only the distinct ones).

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

The square root of 1330221424 is about 36472.2007013561. The cubic root of 1330221424 is about 1099.7854744187.

Adding to 1330221424 its reverse (4241220331), we get a palindrome (5571441755).

The spelling of 1330221424 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, four hundred twenty-four".