32268221 has 4 divisors (see below), whose sum is σ = 32815200. Its totient is φ = 31721244.

The previous prime is 32268211. The next prime is 32268233. The reversal of 32268221 is 12286223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32268221 - 2⁶ = 32268157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32268211) 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, 273401 + ... + 273518.

It is an arithmetic number, because the mean of its divisors is an integer number (8203800).

Almost surely, 2^32268221 is an apocalyptic number.

It is an amenable number.

32268221 is a deficient number, since it is larger than the sum of its proper divisors (546979).

32268221 is an equidigital number, since it uses as much as digits as its factorization.

32268221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546978.

The product of its digits is 2304, while the sum is 26.

The square root of 32268221 is about 5680.5123888607. The cubic root of 32268221 is about 318.3647733233.

The spelling of 32268221 in words is "thirty-two million, two hundred sixty-eight thousand, two hundred twenty-one".