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22284244220 = 2257672375719
BaseRepresentation
bin10100110000001111…
…101001010011111100
32010112000201220020112
4110300033221103330
5331114231303340
614123124405152
71416136644020
oct246017512374
963460656215
1022284244220
1194a5969567
12439ab467b8
1321419c4434
141115812380
158a6579065
hex5303e94fc

22284244220 has 48 divisors (see below), whose sum is σ = 54280450560. Its totient is φ = 7526274624.

The previous prime is 22284244141. The next prime is 22284244223. The reversal of 22284244220 is 2244248222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284244223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178480 + ... + 1197239.

It is an arithmetic number, because the mean of its divisors is an integer number (1130842720).

Almost surely, 222284244220 is an apocalyptic number.

22284244220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22284244220 is an abundant number, since it is smaller than the sum of its proper divisors (31996206340).

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

22284244220 is a wasteful number, since it uses less digits than its factorization.

22284244220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375802 (or 2375800 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 22284244220 in words is "twenty-two billion, two hundred eighty-four million, two hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 134 140 268 335 469 670 938 1340 1876 2345 4690 9380 2375719 4751438 9502876 11878595 16630033 23757190 33260066 47514380 66520132 83150165 159173173 166300330 318346346 332600660 636692692 795865865 1114212211 1591731730 2228424422 3183463460 4456848844 5571061055 11142122110 22284244220