1613221424 has 40 divisors (see below), whose sum is σ = 3256197840. Its totient is φ = 773580800.

The previous prime is 1613221417. The next prime is 1613221447. The reversal of 1613221424 is 4241223161.

It is a junction number, because it is equal to n+sod(n) for n = 1613221393 and 1613221402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17864 + ... + 59544.

It is an arithmetic number, because the mean of its divisors is an integer number (81404946).

Almost surely, 2^1613221424 is an apocalyptic number.

It is an amenable number.

1613221424 is an abundant number, since it is smaller than the sum of its proper divisors (1642976416).

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

1613221424 is a wasteful number, since it uses less digits than its factorization.

1613221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41789 (or 41783 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1613221424 is about 40164.9277853204. The cubic root of 1613221424 is about 1172.8199017696.

Adding to 1613221424 its reverse (4241223161), we get a palindrome (5854444585).

The spelling of 1613221424 in words is "one billion, six hundred thirteen million, two hundred twenty-one thousand, four hundred twenty-four".