Search a number
-
+
2220022210230 = 23251126924173449
BaseRepresentation
bin100000010011100011101…
…000101001111010110110
321212020021011110012102100
4200103203220221322312
5242333101141211410
64415510352322530
7316251135301566
oct40234350517266
97766234405370
102220022210230
11786562730970
122ba308b43446
13131468a36606
1479641b98da6
153cb341088c0
hex204e3a29eb6

2220022210230 has 192 divisors, whose sum is σ = 6324646536000. Its totient is φ = 535809269760.

The previous prime is 2220022210127. The next prime is 2220022210253. The reversal of 2220022210230 is 320122200222.

2220022210230 is a `hidden beast` number, since 2 + 2 + 200 + 22 + 210 + 230 = 666.

It is a super-2 number, since 2×22200222102302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 643669546 + ... + 643672994.

It is an arithmetic number, because the mean of its divisors is an integer number (32940867375).

Almost surely, 22220022210230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220022210230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3162323268000).

2220022210230 is an abundant number, since it is smaller than the sum of its proper divisors (4104624325770).

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

2220022210230 is a wasteful number, since it uses less digits than its factorization.

2220022210230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159 (or 6156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 2220022210230 its reverse (320122200222), we get a palindrome (2540144410452).

The spelling of 2220022210230 in words is "two trillion, two hundred twenty billion, twenty-two million, two hundred ten thousand, two hundred thirty".