32228445 has 16 divisors (see below), whose sum is σ = 52220160. Its totient is φ = 16970304.

The previous prime is 32228423. The next prime is 32228453. The reversal of 32228445 is 54482223.

It is not a de Polignac number, because 32228445 - 2⁶ = 32228381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12414 + ... + 14783.

It is an arithmetic number, because the mean of its divisors is an integer number (3263760).

Almost surely, 2^32228445 is an apocalyptic number.

It is an amenable number.

32228445 is a deficient number, since it is larger than the sum of its proper divisors (19991715).

32228445 is a wasteful number, since it uses less digits than its factorization.

32228445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27284.

The product of its digits is 15360, while the sum is 30.

The square root of 32228445 is about 5677.0102166545. The cubic root of 32228445 is about 318.2339068588.

The spelling of 32228445 in words is "thirty-two million, two hundred twenty-eight thousand, four hundred forty-five".