32221644625 has 16 divisors (see below), whose sum is σ = 40478944896. Its totient is φ = 25606590000.

The previous prime is 32221644577. The next prime is 32221644659. The reversal of 32221644625 is 52644612223.

It is not a de Polignac number, because 32221644625 - 2¹¹ = 32221642577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834679 + ... + 872428.

It is an arithmetic number, because the mean of its divisors is an integer number (2529934056).

Almost surely, 2^32221644625 is an apocalyptic number.

It is an amenable number.

32221644625 is a deficient number, since it is larger than the sum of its proper divisors (8257300271).

32221644625 is a wasteful number, since it uses less digits than its factorization.

32221644625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707273 (or 1707263 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The spelling of 32221644625 in words is "thirty-two billion, two hundred twenty-one million, six hundred forty-four thousand, six hundred twenty-five".