Base | Representation |
---|---|
bin | 101010110110… |
… | …1010110111111 |
3 | 1120021111100022 |
4 | 1111231112333 |
5 | 21222434111 |
6 | 2121322355 |
7 | 361655315 |
oct | 125552677 |
9 | 46244308 |
10 | 22468031 |
11 | 11756623 |
12 | 76363bb |
13 | 48688c1 |
14 | 2dac0b5 |
15 | 1e8c2db |
hex | 156d5bf |
22468031 has 4 divisors (see below), whose sum is σ = 22500000. Its totient is φ = 22436064.
The previous prime is 22468027. The next prime is 22468049. The reversal of 22468031 is 13086422.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 22468031 - 22 = 22468027 is a prime.
It is a super-2 number, since 2×224680312 = 1009624834033922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22468091) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 14906 + ... + 16343.
It is an arithmetic number, because the mean of its divisors is an integer number (5625000).
Almost surely, 222468031 is an apocalyptic number.
22468031 is a deficient number, since it is larger than the sum of its proper divisors (31969).
22468031 is an equidigital number, since it uses as much as digits as its factorization.
22468031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31968.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 22468031 is about 4740.0454639170. The cubic root of 22468031 is about 282.1770387075.
The spelling of 22468031 in words is "twenty-two million, four hundred sixty-eight thousand, thirty-one".
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