65856228 has 24 divisors (see below), whose sum is σ = 153797280. Its totient is φ = 21933120.

The previous prime is 65856191. The next prime is 65856229. The reversal of 65856228 is 82265856.

It is a self number, because there is not a number n which added to its sum of digits gives 65856228.

It is not an unprimeable number, because it can be changed into a prime (65856229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22768 + ... + 25496.

It is an arithmetic number, because the mean of its divisors is an integer number (6408220).

Almost surely, 2^65856228 is an apocalyptic number.

It is an amenable number.

65856228 is an abundant number, since it is smaller than the sum of its proper divisors (87941052).

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

65856228 is a wasteful number, since it uses less digits than its factorization.

65856228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747 (or 4745 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 65856228 is about 8115.1850256171. The cubic root of 65856228 is about 403.8303457186.

The spelling of 65856228 in words is "sixty-five million, eight hundred fifty-six thousand, two hundred twenty-eight".