32805228 has 24 divisors (see below), whose sum is σ = 76939632. Its totient is φ = 10878784.

The previous prime is 32805211. The next prime is 32805247. The reversal of 32805228 is 82250823.

It is a junction number, because it is equal to n+sod(n) for n = 32805195 and 32805204.

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 7 ways as a sum of consecutive naturals, for example, 4575 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (3205818).

Almost surely, 2^32805228 is an apocalyptic number.

It is an amenable number.

32805228 is an abundant number, since it is smaller than the sum of its proper divisors (44134404).

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

32805228 is a wasteful number, since it uses less digits than its factorization.

32805228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081 (or 14079 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 32805228 is about 5727.5848313229. The cubic root of 32805228 is about 320.1211390317.

It can be divided in two parts, 32805 and 228, that added together give a palindrome (33033).

The spelling of 32805228 in words is "thirty-two million, eight hundred five thousand, two hundred twenty-eight".