32221513252 has 12 divisors (see below), whose sum is σ = 56451225600. Its totient is φ = 16092591656.

The previous prime is 32221513201. The next prime is 32221513273. The reversal of 32221513252 is 25231512223.

It is a self number, because there is not a number n which added to its sum of digits gives 32221513252.

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 3 ways as a sum of consecutive naturals, for example, 4537252 + ... + 4544347.

It is an arithmetic number, because the mean of its divisors is an integer number (4704268800).

Almost surely, 2^32221513252 is an apocalyptic number.

It is an amenable number.

32221513252 is a deficient number, since it is larger than the sum of its proper divisors (24229712348).

32221513252 is a wasteful number, since it uses less digits than its factorization.

32221513252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082490 (or 9082488 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The spelling of 32221513252 in words is "thirty-two billion, two hundred twenty-one million, five hundred thirteen thousand, two hundred fifty-two".