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22272371160 = 233513174319531
BaseRepresentation
bin10100101111100010…
…010110100111011000
32010111012101200110120
4110233202112213120
5331103211334120
614122022113240
71415634013464
oct245742264730
963435350416
1022272371160
11949a19a116
124396b7b820
13213c3c8160
1411140014a4
158a54d1140
hex52f8969d8

22272371160 has 256 divisors, whose sum is σ = 77965493760. Its totient is φ = 5039677440.

The previous prime is 22272371153. The next prime is 22272371201. The reversal of 22272371160 is 6117327222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1130595 + ... + 1150125.

It is an arithmetic number, because the mean of its divisors is an integer number (304552710).

Almost surely, 222272371160 is an apocalyptic number.

22272371160 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 22272371160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38982746880).

22272371160 is an abundant number, since it is smaller than the sum of its proper divisors (55693122600).

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

22272371160 is a wasteful number, since it uses less digits than its factorization.

22272371160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618 (or 19614 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 22272371160 its reverse (6117327222), we get a palindrome (28389698382).

The spelling of 22272371160 in words is "twenty-two billion, two hundred seventy-two million, three hundred seventy-one thousand, one hundred sixty".