Search a number
-
+
2212202100220 = 225722969001937
BaseRepresentation
bin100000001100010001100…
…001010011010111111100
321211111002011112110012021
4200030101201103113330
5242221042214201340
64412134400245524
7315553300411210
oct40142141232774
97744064473167
102212202100220
1178320a460532
122b88a60108a4
131307c0859298
14790dd35a940
153c8277e3e4a
hex203118535fc

2212202100220 has 48 divisors (see below), whose sum is σ = 5332469768640. Its totient is φ = 755157187584.

The previous prime is 2212202100203. The next prime is 2212202100289. The reversal of 2212202100220 is 220012022122.

It is a junction number, because it is equal to n+sod(n) for n = 2212202100194 and 2212202100203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34468909 + ... + 34533028.

It is an arithmetic number, because the mean of its divisors is an integer number (111093120180).

Almost surely, 22212202100220 is an apocalyptic number.

2212202100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212202100220 is an abundant number, since it is smaller than the sum of its proper divisors (3120267668420).

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

2212202100220 is a wasteful number, since it uses less digits than its factorization.

2212202100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69002182 (or 69002180 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2212202100220 its reverse (220012022122), we get a palindrome (2432214122342).

The spelling of 2212202100220 in words is "two trillion, two hundred twelve billion, two hundred two million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 229 458 916 1145 1603 2290 3206 4580 6412 8015 16030 32060 69001937 138003874 276007748 345009685 483013559 690019370 966027118 1380038740 1932054236 2415067795 4830135590 9660271180 15801443573 31602887146 63205774292 79007217865 110610105011 158014435730 221220210022 316028871460 442440420044 553050525055 1106101050110 2212202100220