32216227 has 4 divisors (see below), whose sum is σ = 32237656. Its totient is φ = 32194800.

The previous prime is 32216221. The next prime is 32216257. The reversal of 32216227 is 72261223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72261223 = 109 ⋅662947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32216227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32216221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8274 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (8059414).

Almost surely, 2^32216227 is an apocalyptic number.

32216227 is a deficient number, since it is larger than the sum of its proper divisors (21429).

32216227 is a wasteful number, since it uses less digits than its factorization.

32216227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428.

The product of its digits is 2016, while the sum is 25.

The square root of 32216227 is about 5675.9340200534. The cubic root of 32216227 is about 318.1936869710.

The spelling of 32216227 in words is "thirty-two million, two hundred sixteen thousand, two hundred twenty-seven".