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22220024022 = 23272149169079
BaseRepresentation
bin10100101100011010…
…101010100011010110
32010100112220011200200
4110230122222203112
5331001311232042
614112512121330
71414430042100
oct245432524326
963315804620
1022220024022
119472695a19
124381536246
1321315ca611
14110b096570
158a0ae0c4c
hex52c6aa8d6

22220024022 has 72 divisors (see below), whose sum is σ = 56379726000. Its totient is φ = 6305933088.

The previous prime is 22220024017. The next prime is 22220024041. The reversal of 22220024022 is 22042002222.

It is a happy number.

22220024022 is a `hidden beast` number, since 222 + 200 + 240 + 2 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22220023986 and 22220024004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46879 + ... + 215957.

It is an arithmetic number, because the mean of its divisors is an integer number (783051750).

Almost surely, 222220024022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220024022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28189863000).

22220024022 is an abundant number, since it is smaller than the sum of its proper divisors (34159701978).

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

22220024022 is a wasteful number, since it uses less digits than its factorization.

22220024022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169250 (or 169240 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22220024022 its reverse (22042002222), we get a palindrome (44262026244).

The spelling of 22220024022 in words is "twenty-two billion, two hundred twenty million, twenty-four thousand, twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 149 294 298 441 447 882 894 1043 1341 2086 2682 3129 6258 7301 9387 14602 18774 21903 43806 65709 131418 169079 338158 507237 1014474 1183553 1521711 2367106 3043422 3550659 7101318 8284871 10651977 16569742 21303954 24854613 25192771 49709226 50385542 74563839 75578313 149127678 151156626 176349397 226734939 352698794 453469878 529048191 1058096382 1234445779 1587144573 2468891558 3174289146 3703337337 7406674674 11110012011 22220024022