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42230822238 = 232111723237641
BaseRepresentation
bin100111010101001001…
…110011010101011110
311001000010202001022100
4213111021303111132
51142442042302423
631222305025530
73023343031503
oct472511632536
9131003661270
1042230822238
1116a0121a890
1282270252a6
133ca02b6217
14208898d4aa
151172791343
hex9d527355e

42230822238 has 288 divisors, whose sum is σ = 113648082912. Its totient is φ = 11191910400.

The previous prime is 42230822233. The next prime is 42230822243. The reversal of 42230822238 is 83222803224.

42230822238 is a `hidden beast` number, since 422 + 3 + 0 + 8 + 2 + 223 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (42230822233) and next prime (42230822243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42230822233) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 65882398 + ... + 65883038.

It is an arithmetic number, because the mean of its divisors is an integer number (394611399).

Almost surely, 242230822238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42230822238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56824041456).

42230822238 is an abundant number, since it is smaller than the sum of its proper divisors (71417260674).

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

42230822238 is a wasteful number, since it uses less digits than its factorization.

42230822238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

It can be divided in two parts, 42230 and 822238, that added together give a palindrome (864468).

The spelling of 42230822238 in words is "forty-two billion, two hundred thirty million, eight hundred twenty-two thousand, two hundred thirty-eight".