64228365 has 12 divisors (see below), whose sum is σ = 111329244. Its totient is φ = 34255104.

The previous prime is 64228361. The next prime is 64228399. The reversal of 64228365 is 56382246.

64228365 is a `hidden beast` number, since 642 + 2 + 8 + 3 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14356521 + 49871844 = 3789^2 + 7062^2 .

It is not a de Polignac number, because 64228365 - 2² = 64228361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64228361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713604 + ... + 713693.

It is an arithmetic number, because the mean of its divisors is an integer number (9277437).

Almost surely, 2^64228365 is an apocalyptic number.

It is an amenable number.

64228365 is a deficient number, since it is larger than the sum of its proper divisors (47100879).

64228365 is a wasteful number, since it uses less digits than its factorization.

64228365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427308 (or 1427305 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 64228365 is about 8014.2601030912. The cubic root of 64228365 is about 400.4751956658.

The spelling of 64228365 in words is "sixty-four million, two hundred twenty-eight thousand, three hundred sixty-five".