64228265 has 16 divisors (see below), whose sum is σ = 81451200. Its totient is φ = 48485952.

The previous prime is 64228169. The next prime is 64228309. The reversal of 64228265 is 56282246.

64228265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64228265 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 25691 + ... + 28079.

It is an arithmetic number, because the mean of its divisors is an integer number (5090700).

Almost surely, 2^64228265 is an apocalyptic number.

It is an amenable number.

64228265 is a deficient number, since it is larger than the sum of its proper divisors (17222935).

64228265 is a wasteful number, since it uses less digits than its factorization.

64228265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its digits is 46080, while the sum is 35.

The square root of 64228265 is about 8014.2538642097. The cubic root of 64228265 is about 400.4749878265.

The spelling of 64228265 in words is "sixty-four million, two hundred twenty-eight thousand, two hundred sixty-five".