Search a number
-
+
22484921860 = 22519311908737
BaseRepresentation
bin10100111100001101…
…001010111000000100
32011001000100101012201
4110330031022320010
5332022114444420
614155053524244
71424124453022
oct247415127004
964030311181
1022484921860
119599174655
1244361a3684
132174457cbb
14113432d712
158b8eb910a
hex53c34ae04

22484921860 has 48 divisors (see below), whose sum is σ = 51306877440. Its totient is φ = 8245739520.

The previous prime is 22484921827. The next prime is 22484921863. The reversal of 22484921860 is 6812948422.

It is a super-2 number, since 2×224849218602 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22484921860.

It is not an unprimeable number, because it can be changed into a prime (22484921863) 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, 942589 + ... + 966148.

It is an arithmetic number, because the mean of its divisors is an integer number (1068893280).

Almost surely, 222484921860 is an apocalyptic number.

22484921860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22484921860 is an abundant number, since it is smaller than the sum of its proper divisors (28821955580).

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

22484921860 is a wasteful number, since it uses less digits than its factorization.

22484921860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908796 (or 1908794 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 22484921860 in words is "twenty-two billion, four hundred eighty-four million, nine hundred twenty-one thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 19 20 31 38 62 76 95 124 155 190 310 380 589 620 1178 2356 2945 5890 11780 1908737 3817474 7634948 9543685 19087370 36266003 38174740 59170847 72532006 118341694 145064012 181330015 236683388 295854235 362660030 591708470 725320060 1124246093 1183416940 2248492186 4496984372 5621230465 11242460930 22484921860