32225664 has 32 divisors (see below), whose sum is σ = 85600440. Its totient is φ = 10741760.

The previous prime is 32225651. The next prime is 32225707. The reversal of 32225664 is 46652223.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41577 + ... + 42344.

Almost surely, 2^32225664 is an apocalyptic number.

It is an amenable number.

32225664 is an abundant number, since it is smaller than the sum of its proper divisors (53374776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32225664 is an equidigital number, since it uses as much as digits as its factorization.

32225664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83938 (or 83926 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 32225664 is about 5676.7652761058. The cubic root of 32225664 is about 318.2247531029.

Adding to 32225664 its reverse (46652223), we get a palindrome (78877887).

The spelling of 32225664 in words is "thirty-two million, two hundred twenty-five thousand, six hundred sixty-four".