64000444066222 has 32 divisors (see below), whose sum is σ = 102901858243200. Its totient is φ = 29762799742368.

The previous prime is 64000444066189. The next prime is 64000444066243. The reversal of 64000444066222 is 22266044400046.

It is a super-2 number, since 2×64000444066222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17157588 + ... + 20551975.

It is an arithmetic number, because the mean of its divisors is an integer number (3215683070100).

Almost surely, 2^{64000444066222} is an apocalyptic number.

64000444066222 is a deficient number, since it is larger than the sum of its proper divisors (38901414176978).

64000444066222 is a wasteful number, since it uses less digits than its factorization.

64000444066222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37710400.

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 64000444066222 its reverse (22266044400046), we get a palindrome (86266488466268).

The spelling of 64000444066222 in words is "sixty-four trillion, four hundred forty-four million, sixty-six thousand, two hundred twenty-two".