32045221 has 16 divisors (see below), whose sum is σ = 37001664. Its totient is φ = 27489024.

The previous prime is 32045207. The next prime is 32045239. The reversal of 32045221 is 12254023.

It is a cyclic number.

It is not a de Polignac number, because 32045221 - 2¹³ = 32037029 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 (32045821) 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, 17470 + ... + 19216.

It is an arithmetic number, because the mean of its divisors is an integer number (2312604).

Almost surely, 2^32045221 is an apocalyptic number.

It is an amenable number.

32045221 is a deficient number, since it is larger than the sum of its proper divisors (4956443).

32045221 is a wasteful number, since it uses less digits than its factorization.

32045221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32045221 is about 5660.8498478585. The cubic root of 32045221 is about 317.6296897177.

Adding to 32045221 its reverse (12254023), we get a palindrome (44299244).

The spelling of 32045221 in words is "thirty-two million, forty-five thousand, two hundred twenty-one".