32220448328 has 8 divisors (see below), whose sum is σ = 60413340630. Its totient is φ = 16110224160.

The previous prime is 32220448307. The next prime is 32220448339. The reversal of 32220448328 is 82384402223.

It can be written as a sum of positive squares in only one way, i.e., 32054605444 + 165842884 = 179038^2 + 12878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 32220448291 and 32220448300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013778013 + ... + 2013778028.

Almost surely, 2^32220448328 is an apocalyptic number.

It is an amenable number.

32220448328 is a deficient number, since it is larger than the sum of its proper divisors (28192892302).

32220448328 is a wasteful number, since it uses less digits than its factorization.

32220448328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027556047 (or 4027556043 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 32220448328 in words is "thirty-two billion, two hundred twenty million, four hundred forty-eight thousand, three hundred twenty-eight".