Base | Representation |
---|---|
bin | 10100111001101010… |
… | …010010011101000110 |
3 | 2010221001000001222101 |
4 | 110321222102131012 |
5 | 331430202122210 |
6 | 14150530422314 |
7 | 1423065515554 |
oct | 247152223506 |
9 | 63831001871 |
10 | 22442223430 |
11 | 95770606a0 |
12 | 4423a3199a |
13 | 2168658163 |
14 | 112c7b6bd4 |
15 | 8b5382a3a |
hex | 539a92746 |
22442223430 has 32 divisors (see below), whose sum is σ = 46660626720. Its totient is φ = 7680760320.
The previous prime is 22442223409. The next prime is 22442223431. The reversal of 22442223430 is 3432224422.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22442223431) 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 15 ways as a sum of consecutive naturals, for example, 5998725 + ... + 6002464.
It is an arithmetic number, because the mean of its divisors is an integer number (1458144585).
Almost surely, 222442223430 is an apocalyptic number.
22442223430 is an abundant number, since it is smaller than the sum of its proper divisors (24218403290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22442223430 is a wasteful number, since it uses less digits than its factorization.
22442223430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12001224.
The product of its (nonzero) digits is 18432, while the sum is 28.
Adding to 22442223430 its reverse (3432224422), we get a palindrome (25874447852).
The spelling of 22442223430 in words is "twenty-two billion, four hundred forty-two million, two hundred twenty-three thousand, four hundred thirty".
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