Search a number
-
+
1022322212220 = 2235371222737663
BaseRepresentation
bin11101110000001110010…
…01101111110101111100
310121201210101121022000210
432320013021233311330
5113222203441242340
62101352012552420
7133601045265651
oct16700711576574
93551711538023
101022322212220
11364623267371
12146171782710
1375534ac493a
14376a2cddc28
151b8d62e0180
hexee0726fd7c

1022322212220 has 96 divisors (see below), whose sum is σ = 2940185622528. Its totient is φ = 265222432512.

The previous prime is 1022322212167. The next prime is 1022322212231. The reversal of 1022322212220 is 222122232201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27125109 + ... + 27162771.

It is an arithmetic number, because the mean of its divisors is an integer number (30626933568).

Almost surely, 21022322212220 is an apocalyptic number.

1022322212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022322212220 is an abundant number, since it is smaller than the sum of its proper divisors (1917863410308).

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

1022322212220 is a wasteful number, since it uses less digits than its factorization.

1022322212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49939 (or 49937 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1022322212220 its reverse (222122232201), we get a palindrome (1244444444421).

The spelling of 1022322212220 in words is "one trillion, twenty-two billion, three hundred twenty-two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 12227 24454 36681 37663 48908 61135 73362 75326 112989 122270 146724 150652 183405 188315 225978 244540 366810 376630 451956 452399 564945 733620 753260 904798 1129890 1357197 1393531 1809596 2259780 2261995 2714394 2787062 4180593 4523990 5428788 5574124 6785985 6967655 8361186 9047980 13571970 13935310 16722372 20902965 27143940 27870620 41805930 83611860 460505501 921011002 1381516503 1842022004 2302527505 2763033006 4605055010 5526066012 6907582515 9210110020 13815165030 17038703537 27630330060 34077407074 51116110611 68154814148 85193517685 102232221222 170387035370 204464442444 255580553055 340774070740 511161106110 1022322212220