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22112010204 = 22323491163169
BaseRepresentation
bin10100100101111110…
…100111111111011100
32010002000122111120220
4110211332213333130
5330241133311304
614054053041340
71411645662024
oct244576477734
963060574526
1022112010204
1194177205a9
124351326250
13211510c30b
1410da9baa84
158963a6ad9
hex525fa7fdc

22112010204 has 48 divisors (see below), whose sum is σ = 53947918080. Its totient is φ = 7035804160.

The previous prime is 22112010149. The next prime is 22112010257. The reversal of 22112010204 is 40201021122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53932 + ... + 217100.

It is an arithmetic number, because the mean of its divisors is an integer number (1123914960).

Almost surely, 222112010204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112010204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26973959040).

22112010204 is an abundant number, since it is smaller than the sum of its proper divisors (31835907876).

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

22112010204 is a wasteful number, since it uses less digits than its factorization.

22112010204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163690 (or 163688 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22112010204 its reverse (40201021122), we get a palindrome (62313031326).

The spelling of 22112010204 in words is "twenty-two billion, one hundred twelve million, ten thousand, two hundred four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 491 982 1473 1964 2946 5892 11293 22586 33879 45172 67758 135516 163169 326338 489507 652676 979014 1958028 3752887 7505774 11258661 15011548 22517322 45034644 80115979 160231958 240347937 320463916 480695874 961391748 1842667517 3685335034 5528002551 7370670068 11056005102 22112010204