Base | Representation |
---|---|
bin | 10100101101110111… |
… | …000011101111001111 |
3 | 2010102020110200211212 |
4 | 110231313003233033 |
5 | 331024011310211 |
6 | 14115135205035 |
7 | 1415142646403 |
oct | 245567035717 |
9 | 63366420755 |
10 | 22244244431 |
11 | 9485329092 |
12 | 438967677b |
13 | 213662aa16 |
14 | 111039d103 |
15 | 8a2cc738b |
hex | 52ddc3bcf |
22244244431 has 2 divisors, whose sum is σ = 22244244432. Its totient is φ = 22244244430.
The previous prime is 22244244413. The next prime is 22244244457. The reversal of 22244244431 is 13444244222.
Together with previous prime (22244244413) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 22244244431 - 26 = 22244244367 is a prime.
It is a super-2 number, since 2×222442444312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22244243431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122122215 + 11122122216.
It is an arithmetic number, because the mean of its divisors is an integer number (11122122216).
Almost surely, 222244244431 is an apocalyptic number.
22244244431 is a deficient number, since it is larger than the sum of its proper divisors (1).
22244244431 is an equidigital number, since it uses as much as digits as its factorization.
22244244431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 49152, while the sum is 32.
Adding to 22244244431 its reverse (13444244222), we get a palindrome (35688488653).
The spelling of 22244244431 in words is "twenty-two billion, two hundred forty-four million, two hundred forty-four thousand, four hundred thirty-one".
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