Base | Representation |
---|---|
bin | 10100100000000100… |
… | …111110110011100110 |
3 | 2002211010100221021000 |
4 | 110200010332303212 |
5 | 330040312410342 |
6 | 14040155134130 |
7 | 1406334345054 |
oct | 244004766346 |
9 | 62733327230 |
10 | 22013013222 |
11 | 9376854712 |
12 | 4324144346 |
13 | 20ca75a215 |
14 | 10cb7ab1d4 |
15 | 88c84e44c |
hex | 52013ece6 |
22013013222 has 16 divisors (see below), whose sum is σ = 48917807280. Its totient is φ = 7337671056.
The previous prime is 22013013199. The next prime is 22013013229. The reversal of 22013013222 is 22231031022.
It is a super-2 number, since 2×220130132222 (a number of 21 digits) contains 22 as substring.
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 = 22013013195 and 22013013204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22013013229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203824143 + ... + 203824250.
It is an arithmetic number, because the mean of its divisors is an integer number (3057362955).
Almost surely, 222013013222 is an apocalyptic number.
22013013222 is an abundant number, since it is smaller than the sum of its proper divisors (26904794058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22013013222 is a wasteful number, since it uses less digits than its factorization.
22013013222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407648404 (or 407648398 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22013013222 its reverse (22231031022), we get a palindrome (44244044244).
The spelling of 22013013222 in words is "twenty-two billion, thirteen million, thirteen thousand, two hundred twenty-two".
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