Base | Representation |
---|---|
bin | 10100101101001101… |
… | …000000100001110110 |
3 | 2010101110201122212110 |
4 | 110231031000201312 |
5 | 331013201034423 |
6 | 14114103031450 |
7 | 1414650155664 |
oct | 245515004166 |
9 | 63343648773 |
10 | 22233221238 |
11 | 947a08a208 |
12 | 4385a3b586 |
13 | 213426b517 |
14 | 110cb2dc34 |
15 | 8a1d4b193 |
hex | 52d340876 |
22233221238 has 32 divisors (see below), whose sum is σ = 44637106176. Its totient is φ = 7382678688.
The previous prime is 22233221237. The next prime is 22233221293. The reversal of 22233221238 is 83212233222.
It is a super-2 number, since 2×222332212382 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22233221237) 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, 2023656 + ... + 2034612.
It is an arithmetic number, because the mean of its divisors is an integer number (1394909568).
Almost surely, 222233221238 is an apocalyptic number.
22233221238 is an abundant number, since it is smaller than the sum of its proper divisors (22403884938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22233221238 is a wasteful number, since it uses less digits than its factorization.
22233221238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12228.
The product of its digits is 13824, while the sum is 30.
The spelling of 22233221238 in words is "twenty-two billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred thirty-eight".
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