32239221672 has 32 divisors (see below), whose sum is σ = 92112062400. Its totient is φ = 9211206144.

The previous prime is 32239221649. The next prime is 32239221673. The reversal of 32239221672 is 27612293223.

It is a self number, because there is not a number n which added to its sum of digits gives 32239221672.

It is not an unprimeable number, because it can be changed into a prime (32239221673) 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 7 ways as a sum of consecutive naturals, for example, 95949897 + ... + 95950232.

It is an arithmetic number, because the mean of its divisors is an integer number (2878501950).

Almost surely, 2^32239221672 is an apocalyptic number.

It is an amenable number.

32239221672 is an abundant number, since it is smaller than the sum of its proper divisors (59872840728).

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

32239221672 is a wasteful number, since it uses less digits than its factorization.

32239221672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191900145 (or 191900141 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The spelling of 32239221672 in words is "thirty-two billion, two hundred thirty-nine million, two hundred twenty-one thousand, six hundred seventy-two".