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2221220010200 = 23521736712891381
BaseRepresentation
bin100000010100101011000…
…001111001100011011000
321212100100122022202002012
4200110223001321203120
5242343024310311300
64420225301325052
7316322621365022
oct40245301714330
97770318282065
102221220010200
117870178747a4
122ba5a2106788
131315c9c3a5a9
1479716cb5012
153cba435c435
hex2052b0798d8

2221220010200 has 192 divisors, whose sum is σ = 5491247644800. Its totient is φ = 832695091200.

The previous prime is 2221220010143. The next prime is 2221220010227. The reversal of 2221220010200 is 20100221222.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1608413510 + ... + 1608414890.

It is an arithmetic number, because the mean of its divisors is an integer number (28600248150).

Almost surely, 22221220010200 is an apocalyptic number.

2221220010200 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 2221220010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2745623822400).

2221220010200 is an abundant number, since it is smaller than the sum of its proper divisors (3270027634600).

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

2221220010200 is a wasteful number, since it uses less digits than its factorization.

2221220010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2221220010200 its reverse (20100221222), we get a palindrome (2241320231422).

The spelling of 2221220010200 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, ten thousand, two hundred".