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22201231113220 = 2258925514889299
BaseRepresentation
bin1010000110001001000000…
…11111100111110000000100
32220121102020222011001222011
411003010200133213300010
510402221110131110340
6115115034344144004
74450662126535225
oct503044037476004
986542228131864
1022201231113220
11708a5421a6665
1225a68b7468004
13c5074ac33323
1456a78c4db24c
1528778941c0ea
hex1431207e7c04

22201231113220 has 48 divisors (see below), whose sum is σ = 47164925808000. Its totient is φ = 8777267769600.

The previous prime is 22201231113169. The next prime is 22201231113221. The reversal of 22201231113220 is 2231113210222.

It is a junction number, because it is equal to n+sod(n) for n = 22201231113191 and 22201231113200.

It is not an unprimeable number, because it can be changed into a prime (22201231113221) 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, 2096131 + ... + 6985429.

It is an arithmetic number, because the mean of its divisors is an integer number (982602621000).

Almost surely, 222201231113220 is an apocalyptic number.

22201231113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201231113220 is an abundant number, since it is smaller than the sum of its proper divisors (24963694694780).

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

22201231113220 is a wasteful number, since it uses less digits than its factorization.

22201231113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891948 (or 4891946 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22201231113220 its reverse (2231113210222), we get a palindrome (24432344323442).

The spelling of 22201231113220 in words is "twenty-two trillion, two hundred one billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 2551 5102 10204 12755 25510 51020 227039 454078 908156 1135195 2270390 4540780 4889299 9778598 19557196 24446495 48892990 97785980 435147611 870295222 1740590444 2175738055 4351476110 8702952220 12472601749 24945203498 49890406996 62363008745 124726017490 249452034980 1110061555661 2220123111322 4440246222644 5550307778305 11100615556610 22201231113220