65315228 has 12 divisors (see below), whose sum is σ = 124692792. Its totient is φ = 29688720.

The previous prime is 65315227. The next prime is 65315251. The reversal of 65315228 is 82251356.

65315228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65315194 and 65315203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65315227) by changing a digit.

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, 742175 + ... + 742262.

It is an arithmetic number, because the mean of its divisors is an integer number (10391066).

Almost surely, 2^65315228 is an apocalyptic number.

It is an amenable number.

65315228 is a deficient number, since it is larger than the sum of its proper divisors (59377564).

65315228 is a wasteful number, since it uses less digits than its factorization.

65315228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484452 (or 1484450 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 65315228 is about 8081.7837140077. The cubic root of 65315228 is about 402.7214999349.

The spelling of 65315228 in words is "sixty-five million, three hundred fifteen thousand, two hundred twenty-eight".