32216065 has 16 divisors (see below), whose sum is σ = 44933760. Its totient is φ = 21715200.

The previous prime is 32216059. The next prime is 32216069. The reversal of 32216065 is 56061223.

It is not a de Polignac number, because 32216065 - 2³ = 32216057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32216069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5736 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (2808360).

Almost surely, 2^32216065 is an apocalyptic number.

32216065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32216065 is a deficient number, since it is larger than the sum of its proper divisors (12717695).

32216065 is a wasteful number, since it uses less digits than its factorization.

32216065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 32216065 is about 5675.9197492565. The cubic root of 32216065 is about 318.1931536221.

Adding to 32216065 its reverse (56061223), we get a palindrome (88277288).

The spelling of 32216065 in words is "thirty-two million, two hundred sixteen thousand, sixty-five".