64223001244 has 12 divisors (see below), whose sum is σ = 112691569144. Its totient is φ = 32025410064.

The previous prime is 64223001229. The next prime is 64223001263. The reversal of 64223001244 is 44210032246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21520962 + ... + 21523945.

Almost surely, 2^64223001244 is an apocalyptic number.

It is an amenable number.

64223001244 is a deficient number, since it is larger than the sum of its proper divisors (48468567900).

64223001244 is a wasteful number, since it uses less digits than its factorization.

64223001244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43045284 (or 43045282 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 64223001244 in words is "sixty-four billion, two hundred twenty-three million, one thousand, two hundred forty-four".