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22401012200 = 23527171019319
BaseRepresentation
bin10100110111001101…
…000101000111101000
32010211011110022210112
4110313031011013220
5331334124342300
614142455233452
71422055314320
oct246715050750
963734408715
1022401012200
119555873026
124412078888
13215cc59208
14112712a280
158b1941e35
hex5373451e8

22401012200 has 192 divisors, whose sum is σ = 63654854400. Its totient is φ = 7156224000.

The previous prime is 22401012197. The next prime is 22401012211. The reversal of 22401012200 is 221010422.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 2399141 + ... + 2408459.

It is an arithmetic number, because the mean of its divisors is an integer number (331535700).

Almost surely, 222401012200 is an apocalyptic number.

22401012200 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 22401012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31827427200).

22401012200 is an abundant number, since it is smaller than the sum of its proper divisors (41253842200).

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

22401012200 is a wasteful number, since it uses less digits than its factorization.

22401012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460 (or 9451 counting only the distinct ones).

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

Adding to 22401012200 its reverse (221010422), we get a palindrome (22622022622).

The spelling of 22401012200 in words is "twenty-two billion, four hundred one million, twelve thousand, two hundred".