32221205125 has 16 divisors (see below), whose sum is σ = 40217171904. Its totient is φ = 25773690000.

The previous prime is 32221205111. The next prime is 32221205141. The reversal of 32221205125 is 52150212223.

It is not a de Polignac number, because 32221205125 - 2²⁷ = 32086987397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32221205125.

It is a congruent 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, 1636590 + ... + 1656160.

It is an arithmetic number, because the mean of its divisors is an integer number (2513573244).

Almost surely, 2^32221205125 is an apocalyptic number.

It is an amenable number.

32221205125 is a deficient number, since it is larger than the sum of its proper divisors (7995966779).

32221205125 is a wasteful number, since it uses less digits than its factorization.

32221205125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32757 (or 32747 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 32221205125 its reverse (52150212223), we get a palindrome (84371417348).

The spelling of 32221205125 in words is "thirty-two billion, two hundred twenty-one million, two hundred five thousand, one hundred twenty-five".