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22211433244 = 22721121372043
BaseRepresentation
bin10100101011111001…
…111001001100011100
32010022221201201100201
4110223321321030130
5330442111330434
614112004033244
71414264032100
oct245371711434
963287651321
1022211433244
119468858600
12437a692824
13212c8b0310
141109c9b900
1589ee95614
hex52be7931c

22211433244 has 108 divisors (see below), whose sum is σ = 53524225272. Its totient is φ = 7988016960.

The previous prime is 22211433241. The next prime is 22211433263. The reversal of 22211433244 is 44233411222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211433241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 272287 + ... + 344329.

Almost surely, 222211433244 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 22211433244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26762112636).

22211433244 is an abundant number, since it is smaller than the sum of its proper divisors (31312792028).

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

22211433244 is a wasteful number, since it uses less digits than its factorization.

22211433244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72096 (or 72076 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 22211433244 its reverse (44233411222), we get a palindrome (66444844466).

The spelling of 22211433244 in words is "twenty-two billion, two hundred eleven million, four hundred thirty-three thousand, two hundred forty-four".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 49 52 77 91 98 121 143 154 182 196 242 286 308 364 484 539 572 637 847 1001 1078 1274 1573 1694 2002 2156 2548 3146 3388 4004 5929 6292 7007 11011 11858 14014 22022 23716 28028 44044 72043 77077 144086 154154 288172 308308 504301 792473 936559 1008602 1584946 1873118 2017204 3169892 3530107 3746236 5547311 6555913 7060214 8717203 10302149 11094622 13111826 14120428 17434406 20604298 22189244 26223652 34868812 38831177 41208596 45891391 61020421 72115043 77662354 91782782 113323639 122040842 144230086 155324708 183565564 226647278 244081684 288460172 427142947 453294556 504805301 793265473 854285894 1009610602 1586530946 1708571788 2019221204 3173061892 5552858311 11105716622 22211433244