Search a number
-
+
2220222223100 = 225276434932731
BaseRepresentation
bin100000010011101111100…
…011101001001011111100
321212020210002210220111102
4200103233203221023330
5242334003342114400
64415542255312232
7316256114341520
oct40235743511374
97766702726442
102220222223100
11786655622562
122ba363b1b678
1313149b2c671b
1479660581d80
153cb469669d5
hex204ef8e92fc

2220222223100 has 72 divisors (see below), whose sum is σ = 5514715452288. Its totient is φ = 760035038400.

The previous prime is 2220222223027. The next prime is 2220222223129. The reversal of 2220222223100 is 13222220222.

It is a super-2 number, since 2×22202222231002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2016266 + ... + 2916465.

Almost surely, 22220222223100 is an apocalyptic number.

2220222223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220222223100 is an abundant number, since it is smaller than the sum of its proper divisors (3294493229188).

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

2220222223100 is a wasteful number, since it uses less digits than its factorization.

2220222223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933395 (or 4933388 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2220222223100 its reverse (13222220222), we get a palindrome (2233444443322).

The spelling of 2220222223100 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 643 700 1286 2572 3215 4501 6430 9002 12860 16075 18004 22505 32150 45010 64300 90020 112525 225050 450100 4932731 9865462 19730924 24663655 34529117 49327310 69058234 98654620 123318275 138116468 172645585 246636550 345291170 493273100 690582340 863227925 1726455850 3171746033 3452911700 6343492066 12686984132 15858730165 22202222231 31717460330 44404444462 63434920660 79293650825 88808888924 111011111155 158587301650 222022222310 317174603300 444044444620 555055555775 1110111111550 2220222223100