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22231003312 = 2473315211151
BaseRepresentation
bin10100101101000100…
…100011000010110000
32010101022112222110001
4110231010203002300
5331012114101222
614113543315344
71414622260510
oct245504430260
963338488401
1022231003312
119478904911
12438514bb54
132133972b3b
14110c713840
158a1a5de27
hex52d1230b0

22231003312 has 80 divisors (see below), whose sum is σ = 49512259584. Its totient is φ = 9472320000.

The previous prime is 22231003259. The next prime is 22231003321. The reversal of 22231003312 is 21330013222.

It is a self number, because there is not a number n which added to its sum of digits gives 22231003312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19313937 + ... + 19315087.

Almost surely, 222231003312 is an apocalyptic number.

It is an amenable number.

22231003312 is an abundant number, since it is smaller than the sum of its proper divisors (27281256272).

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

22231003312 is a wasteful number, since it uses less digits than its factorization.

22231003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22231003312 its reverse (21330013222), we get a palindrome (43561016534).

The spelling of 22231003312 in words is "twenty-two billion, two hundred thirty-one million, three thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 331 521 662 1042 1151 1324 2084 2302 2317 2648 3647 4168 4604 4634 5296 7294 8057 8336 9208 9268 14588 16114 18416 18536 29176 32228 37072 58352 64456 128912 172451 344902 380981 599671 689804 761962 1199342 1207157 1379608 1523924 2398684 2414314 2666867 2759216 3047848 4197697 4797368 4828628 5333734 6095696 8395394 9594736 9657256 10667468 16790788 19314512 21334936 33581576 42669872 67163152 198491101 396982202 793964404 1389437707 1587928808 2778875414 3175857616 5557750828 11115501656 22231003312