32216533 has 16 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 29136240.

The previous prime is 32216519. The next prime is 32216567. The reversal of 32216533 is 33561223.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32216533 - 2⁹ = 32216021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32216498 and 32216507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32210533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48558 + ... + 49216.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^32216533 is an apocalyptic number.

It is an amenable number.

32216533 is a deficient number, since it is larger than the sum of its proper divisors (3265067).

32216533 is a wasteful number, since it uses less digits than its factorization.

32216533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its digits is 3240, while the sum is 25.

The square root of 32216533 is about 5675.9609759053. The cubic root of 32216533 is about 318.1946944028.

Adding to 32216533 its reverse (33561223), we get a palindrome (65777756).

The spelling of 32216533 in words is "thirty-two million, two hundred sixteen thousand, five hundred thirty-three".