Base | Representation |
---|---|
bin | 101010100001… |
… | …0001010011101 |
3 | 1112221111122100 |
4 | 1111002022131 |
5 | 21201303401 |
6 | 2113435313 |
7 | 360320430 |
oct | 125021235 |
9 | 45844570 |
10 | 22291101 |
11 | 116456a8 |
12 | 756bb39 |
13 | 4806201 |
14 | 2d63817 |
15 | 1e54b86 |
hex | 154229d |
22291101 has 24 divisors (see below), whose sum is σ = 37354304. Its totient is φ = 12545280.
The previous prime is 22291081. The next prime is 22291121. The reversal of 22291101 is 10119222.
It is an interprime number because it is at equal distance from previous prime (22291081) and next prime (22291121).
It is not a de Polignac number, because 22291101 - 25 = 22291069 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22291121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581 + ... + 6861.
Almost surely, 222291101 is an apocalyptic number.
22291101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
22291101 is a deficient number, since it is larger than the sum of its proper divisors (15063203).
22291101 is a wasteful number, since it uses less digits than its factorization.
22291101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5361 (or 5358 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 22291101 is about 4721.3452532091. The cubic root of 22291101 is about 281.4343952272.
The spelling of 22291101 in words is "twenty-two million, two hundred ninety-one thousand, one hundred one".
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