65227228 has 72 divisors (see below), whose sum is σ = 136074960. Its totient is φ = 27244800.

The previous prime is 65227223. The next prime is 65227229. The reversal of 65227228 is 82272256.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65227193 and 65227202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65227223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376950 + ... + 377122.

It is an arithmetic number, because the mean of its divisors is an integer number (1889930).

Almost surely, 2^65227228 is an apocalyptic number.

It is an amenable number.

65227228 is an abundant number, since it is smaller than the sum of its proper divisors (70847732).

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

65227228 is a wasteful number, since it uses less digits than its factorization.

65227228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 246 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 65227228 is about 8076.3375362846. The cubic root of 65227228 is about 402.5405547913.

The spelling of 65227228 in words is "sixty-five million, two hundred twenty-seven thousand, two hundred twenty-eight".