32530221232 has 20 divisors (see below), whose sum is σ = 63585070920. Its totient is φ = 16121170688.

The previous prime is 32530221209. The next prime is 32530221289. The reversal of 32530221232 is 23212203523.

It is a junction number, because it is equal to n+sod(n) for n = 32530221197 and 32530221206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8994382 + ... + 8997997.

It is an arithmetic number, because the mean of its divisors is an integer number (3179253546).

Almost surely, 2^32530221232 is an apocalyptic number.

It is an amenable number.

32530221232 is a deficient number, since it is larger than the sum of its proper divisors (31054849688).

32530221232 is a wasteful number, since it uses less digits than its factorization.

32530221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992500 (or 17992494 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 32530221232 its reverse (23212203523), we get a palindrome (55742424755).

The spelling of 32530221232 in words is "thirty-two billion, five hundred thirty million, two hundred twenty-one thousand, two hundred thirty-two".