65226544 has 20 divisors (see below), whose sum is σ = 133028440. Its totient is φ = 30896640.

The previous prime is 65226533. The next prime is 65226547. The reversal of 65226544 is 44562256.

65226544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65226547) 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, 106977 + ... + 107584.

It is an arithmetic number, because the mean of its divisors is an integer number (6651422).

Almost surely, 2^65226544 is an apocalyptic number.

It is an amenable number.

65226544 is an abundant number, since it is smaller than the sum of its proper divisors (67801896).

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

65226544 is a wasteful number, since it uses less digits than its factorization.

65226544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214588 (or 214582 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 65226544 is about 8076.2951902466. The cubic root of 65226544 is about 402.5391477168.

The spelling of 65226544 in words is "sixty-five million, two hundred twenty-six thousand, five hundred forty-four".