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4422143220 = 223511194359139
BaseRepresentation
bin1000001111001010…
…01000110011110100
3102102012001011002020
410013211020303310
533024032040340
62010445513140
7214404411555
oct40745106364
912365034066
104422143220
11196a203720
12a34b727b0
13556216ac1
142dd44032c
151ad35e9d0
hex107948cf4

4422143220 has 384 divisors, whose sum is σ = 14902272000. Its totient is φ = 968163840.

The previous prime is 4422143107. The next prime is 4422143221. The reversal of 4422143220 is 223412244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422143221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31813911 + ... + 31814049.

It is an arithmetic number, because the mean of its divisors is an integer number (38808000).

Almost surely, 24422143220 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 4422143220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7451136000).

4422143220 is an abundant number, since it is smaller than the sum of its proper divisors (10480128780).

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

4422143220 is a wasteful number, since it uses less digits than its factorization.

4422143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4422143220 is about 66499.1971380106. The cubic root of 4422143220 is about 1641.3867929822.

Adding to 4422143220 its reverse (223412244), we get a palindrome (4645555464).

The spelling of 4422143220 in words is "four billion, four hundred twenty-two million, one hundred forty-three thousand, two hundred twenty".