Search a number
-
+
22212202220112 = 24321311429315193
BaseRepresentation
bin1010000110011101011100…
…11011000100101001010000
32220122110120120020001022110
411003032232123010221100
510402411042232020422
6115124051141105320
74451531035442502
oct503165633045120
986573516201273
1022212202220112
11709416209a653
1225a8a596b8240
13c517a8b82758
1456b10d609d72
15287bcc6a060c
hex1433ae6c4a50

22212202220112 has 80 divisors (see below), whose sum is σ = 57416244861248. Its totient is φ = 7399588101120.

The previous prime is 22212202220101. The next prime is 22212202220113. The reversal of 22212202220112 is 21102220221222.

It is a super-3 number, since 3×222122022201123 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212202220113) 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, 1461994788 + ... + 1462009980.

Almost surely, 222212202220112 is an apocalyptic number.

It is an amenable number.

22212202220112 is an abundant number, since it is smaller than the sum of its proper divisors (35204042641136).

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

22212202220112 is a wasteful number, since it uses less digits than its factorization.

22212202220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31628 (or 31622 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22212202220112 its reverse (21102220221222), we get a palindrome (43314422441334).

The spelling of 22212202220112 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 2131 4262 6393 8524 12786 14293 15193 17048 25572 28586 30386 34096 42879 45579 51144 57172 60772 85758 91158 102288 114344 121544 171516 182316 228688 243088 343032 364632 686064 729264 30458383 32376283 60916766 64752566 91375149 97128849 121833532 129505132 182750298 194257698 217153549 243667064 259010264 365500596 388515396 434307098 487334128 518020528 651460647 731001192 777030792 868614196 1302921294 1462002384 1554061584 1737228392 2605842588 3474456784 5211685176 10423370352 462754212919 925508425838 1388262638757 1851016851676 2776525277514 3702033703352 5553050555028 7404067406704 11106101110056 22212202220112