4643222661858 has 64 divisors (see below), whose sum is σ = 10286650713600. Its totient is φ = 1385392377600.

The previous prime is 4643222661839. The next prime is 4643222661877. The reversal of 4643222661858 is 8581662223464.

It is an interprime number because it is at equal distance from previous prime (4643222661839) and next prime (4643222661877).

It is a junction number, because it is equal to n+sod(n) for n = 4643222661798 and 4643222661807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9312993 + ... + 9798891.

It is an arithmetic number, because the mean of its divisors is an integer number (160728917400).

Almost surely, 2^{4643222661858} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4643222661858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5143325356800).

4643222661858 is an abundant number, since it is smaller than the sum of its proper divisors (5643428051742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4643222661858 is a wasteful number, since it uses less digits than its factorization.

4643222661858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488143.

The product of its digits is 26542080, while the sum is 57.

The spelling of 4643222661858 in words is "four trillion, six hundred forty-three billion, two hundred twenty-two million, six hundred sixty-one thousand, eight hundred fifty-eight".