64225641 has 16 divisors (see below), whose sum is σ = 87821568. Its totient is φ = 41731200.

The previous prime is 64225621. The next prime is 64225669. The reversal of 64225641 is 14652246.

It is not a de Polignac number, because 64225641 - 2⁹ = 64225129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64225599 and 64225608.

It is not an unprimeable number, because it can be changed into a prime (64225621) 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 15 ways as a sum of consecutive naturals, for example, 38811 + ... + 40431.

It is an arithmetic number, because the mean of its divisors is an integer number (5488848).

Almost surely, 2^64225641 is an apocalyptic number.

It is an amenable number.

64225641 is a deficient number, since it is larger than the sum of its proper divisors (23595927).

64225641 is a wasteful number, since it uses less digits than its factorization.

64225641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952.

The product of its digits is 11520, while the sum is 30.

The square root of 64225641 is about 8014.0901542221. The cubic root of 64225641 is about 400.4695340455.

Adding to 64225641 its reverse (14652246), we get a palindrome (78877887).

The spelling of 64225641 in words is "sixty-four million, two hundred twenty-five thousand, six hundred forty-one".