Base | Representation |
---|---|
bin | 101010100001… |
… | …1111000010011 |
3 | 1112221212021201 |
4 | 1111003320103 |
5 | 21202020011 |
6 | 2113532031 |
7 | 360350062 |
oct | 125037023 |
9 | 45855251 |
10 | 22298131 |
11 | 1164aa09 |
12 | 7574017 |
13 | 480947b |
14 | 2d661d9 |
15 | 1e56cc1 |
hex | 1543e13 |
22298131 has 2 divisors, whose sum is σ = 22298132. Its totient is φ = 22298130.
The previous prime is 22298119. The next prime is 22298141. The reversal of 22298131 is 13189222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 22298131 - 25 = 22298099 is a prime.
It is a super-2 number, since 2×222981312 = 994413292186322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22298131.
It is not a weakly prime, because it can be changed into another prime (22298141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11149065 + 11149066.
It is an arithmetic number, because the mean of its divisors is an integer number (11149066).
Almost surely, 222298131 is an apocalyptic number.
22298131 is a deficient number, since it is larger than the sum of its proper divisors (1).
22298131 is an equidigital number, since it uses as much as digits as its factorization.
22298131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 28.
The square root of 22298131 is about 4722.0896857218. The cubic root of 22298131 is about 281.4639776728.
The spelling of 22298131 in words is "twenty-two million, two hundred ninety-eight thousand, one hundred thirty-one".
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