6422201856 has 480 divisors, whose sum is σ = 23324400000. Its totient is φ = 1734856704.

The previous prime is 6422201827. The next prime is 6422201867. The reversal of 6422201856 is 6581022246.

It is a happy number.

6422201856 is a `hidden beast` number, since 642 + 2 + 2 + 0 + 1 + 8 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6422201856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12869895 + ... + 12870393.

It is an arithmetic number, because the mean of its divisors is an integer number (48592500).

Almost surely, 2^6422201856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6422201856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11662200000).

6422201856 is an abundant number, since it is smaller than the sum of its proper divisors (16902198144).

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

6422201856 is a wasteful number, since it uses less digits than its factorization.

6422201856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 6422201856 is about 80138.6414658996. The cubic root of 6422201856 is about 1858.7799699517.

The spelling of 6422201856 in words is "six billion, four hundred twenty-two million, two hundred one thousand, eight hundred fifty-six".