64522868 has 12 divisors (see below), whose sum is σ = 113316000. Its totient is φ = 32146872.

The previous prime is 64522867. The next prime is 64522891. The reversal of 64522868 is 86822546.

64522868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×64522868⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522867) 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, 27368 + ... + 29631.

It is an arithmetic number, because the mean of its divisors is an integer number (9443000).

Almost surely, 2^64522868 is an apocalyptic number.

It is an amenable number.

64522868 is a deficient number, since it is larger than the sum of its proper divisors (48793132).

64522868 is a wasteful number, since it uses less digits than its factorization.

64522868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57286 (or 57284 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 64522868 is about 8032.6127754299. The cubic root of 64522868 is about 401.0863552430.

The spelling of 64522868 in words is "sixty-four million, five hundred twenty-two thousand, eight hundred sixty-eight".