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2221000000200 = 23325223598571061
BaseRepresentation
bin100000010100011101111…
…010101000001011001000
321212022210022100002002200
4200110131322220023020
5242342102000001300
64420151402000200
7316314310340322
oct40243572501310
97768708302080
102221000000200
11786a14664a53
122ba5404a6060
13131593498467
14796d59a4612
153cb8ed9e200
hex2051dea82c8

2221000000200 has 576 divisors, whose sum is σ = 7931778940800. Its totient is φ = 555739852800.

The previous prime is 2221000000183. The next prime is 2221000000217. The reversal of 2221000000200 is 20000001222.

It is an interprime number because it is at equal distance from previous prime (2221000000183) and next prime (2221000000217).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2093307670 + ... + 2093308730.

It is an arithmetic number, because the mean of its divisors is an integer number (13770449550).

Almost surely, 22221000000200 is an apocalyptic number.

2221000000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221000000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3965889470400).

2221000000200 is an abundant number, since it is smaller than the sum of its proper divisors (5710778940600).

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

2221000000200 is a wasteful number, since it uses less digits than its factorization.

2221000000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2221000000200 its reverse (20000001222), we get a palindrome (2241000001422).

The spelling of 2221000000200 in words is "two trillion, two hundred twenty-one billion, two hundred", and thus it is an aban number.