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22022122200 = 233521315591811
BaseRepresentation
bin10100100000100111…
…101110101011011000
32002211202111201102120
4110200213232223120
5330100130402300
614041122301240
71406504643621
oct244047565330
962752451376
1022022122200
119380a063a1
1243271b7820
1320cc5c9350
1410cca9ca48
1588d54d3a0
hex5209eead8

22022122200 has 192 divisors, whose sum is σ = 73607788800. Its totient is φ = 5414361600.

The previous prime is 22022122183. The next prime is 22022122223. The reversal of 22022122200 is 222122022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22022122200.

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, 12159295 + ... + 12161105.

It is an arithmetic number, because the mean of its divisors is an integer number (383373900).

Almost surely, 222022122200 is an apocalyptic number.

22022122200 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 22022122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36803894400).

22022122200 is an abundant number, since it is smaller than the sum of its proper divisors (51585666600).

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

22022122200 is a wasteful number, since it uses less digits than its factorization.

22022122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22022122200 its reverse (222122022), we get a palindrome (22244244222).

The spelling of 22022122200 in words is "twenty-two billion, twenty-two million, one hundred twenty-two thousand, two hundred".