Base | Representation |
---|---|
bin | 101010011010… |
… | …0011011010110 |
3 | 1112211122110112 |
4 | 1110310123112 |
5 | 21143003323 |
6 | 2112323022 |
7 | 356664413 |
oct | 124643326 |
9 | 45748415 |
10 | 22234838 |
11 | 116073aa |
12 | 7543472 |
13 | 47b6712 |
14 | 2d4b10a |
15 | 1e43178 |
hex | 15346d6 |
22234838 has 4 divisors (see below), whose sum is σ = 33352260. Its totient is φ = 11117418.
The previous prime is 22234837. The next prime is 22234853. The reversal of 22234838 is 83843222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83843222 = 2 ⋅41921611.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22234831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558708 + ... + 5558711.
It is an arithmetic number, because the mean of its divisors is an integer number (8338065).
Almost surely, 222234838 is an apocalyptic number.
22234838 is a deficient number, since it is larger than the sum of its proper divisors (11117422).
22234838 is a wasteful number, since it uses less digits than its factorization.
22234838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11117421.
The product of its digits is 18432, while the sum is 32.
The square root of 22234838 is about 4715.3831233528. The cubic root of 22234838 is about 281.1974144979.
The spelling of 22234838 in words is "twenty-two million, two hundred thirty-four thousand, eight hundred thirty-eight".
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