Search a number
-
+
2221023222102 = 231928368843321
BaseRepresentation
bin100000010100011111010…
…011001101100101010110
321212022211221000212120010
4200110133103031211112
5242342123421101402
64420153551421050
7316315011615546
oct40243723154526
97768757025503
102221023222102
11786a26785a03
122ba548224786
13131598239229
14796d8acb326
153cb91e39a6c
hex2051f4cd956

2221023222102 has 32 divisors (see below), whose sum is σ = 4692360827520. Its totient is φ = 698897384640.

The previous prime is 2221023222101. The next prime is 2221023222113. The reversal of 2221023222102 is 2012223201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221023222101) 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, 34389399 + ... + 34453922.

It is an arithmetic number, because the mean of its divisors is an integer number (146636275860).

Almost surely, 22221023222102 is an apocalyptic number.

2221023222102 is an abundant number, since it is smaller than the sum of its proper divisors (2471337605418).

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

2221023222102 is a wasteful number, since it uses less digits than its factorization.

2221023222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68843628.

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

Adding to 2221023222102 its reverse (2012223201222), we get a palindrome (4233246423324).

The spelling of 2221023222102 in words is "two trillion, two hundred twenty-one billion, twenty-three million, two hundred twenty-two thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 114 283 566 849 1698 5377 10754 16131 32262 68843321 137686642 206529963 413059926 1308023099 2616046198 3924069297 7848138594 19482659843 38965319686 58447979529 116895959058 370170537017 740341074034 1110511611051 2221023222102