64228445 has 8 divisors (see below), whose sum is σ = 77124960. Its totient is φ = 51348880.

The previous prime is 64228441. The next prime is 64228447. The reversal of 64228445 is 54482246.

64228445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64228445 - 2² = 64228441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64228441) 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 7 ways as a sum of consecutive naturals, for example, 6650 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (9640620).

Almost surely, 2^64228445 is an apocalyptic number.

It is an amenable number.

64228445 is a deficient number, since it is larger than the sum of its proper divisors (12896515).

64228445 is a wasteful number, since it uses less digits than its factorization.

64228445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475.

The product of its digits is 61440, while the sum is 35.

The square root of 64228445 is about 8014.2650941930. The cubic root of 64228445 is about 400.4753619371.

The spelling of 64228445 in words is "sixty-four million, two hundred twenty-eight thousand, four hundred forty-five".