32216865 has 32 divisors (see below), whose sum is σ = 52859520. Its totient is φ = 16751616.

The previous prime is 32216851. The next prime is 32216867. The reversal of 32216865 is 56861223.

It is not a de Polignac number, because 32216865 - 2¹¹ = 32214817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32216867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140571 + ... + 140799.

It is an arithmetic number, because the mean of its divisors is an integer number (1651860).

Almost surely, 2^32216865 is an apocalyptic number.

It is an amenable number.

32216865 is a deficient number, since it is larger than the sum of its proper divisors (20642655).

32216865 is a wasteful number, since it uses less digits than its factorization.

32216865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its digits is 17280, while the sum is 33.

The square root of 32216865 is about 5675.9902219789. The cubic root of 32216865 is about 318.1957874263.

The spelling of 32216865 in words is "thirty-two million, two hundred sixteen thousand, eight hundred sixty-five".