64222647443 has 8 divisors (see below), whose sum is σ = 64376881920. Its totient is φ = 64068485320.

The previous prime is 64222647367. The next prime is 64222647449. The reversal of 64222647443 is 34474622246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64222647443 - 2¹² = 64222643347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64222647394 and 64222647403.

It is not an unprimeable number, because it can be changed into a prime (64222647449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034938 + ... + 2066256.

It is an arithmetic number, because the mean of its divisors is an integer number (8047110240).

Almost surely, 2^64222647443 is an apocalyptic number.

64222647443 is a deficient number, since it is larger than the sum of its proper divisors (154234477).

64222647443 is a wasteful number, since it uses less digits than its factorization.

64222647443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36177.

The product of its digits is 1548288, while the sum is 44.

The spelling of 64222647443 in words is "sixty-four billion, two hundred twenty-two million, six hundred forty-seven thousand, four hundred forty-three".