Base | Representation |
---|---|
bin | 11101110000000010010… |
… | …00110110000100101001 |
3 | 10121201112100202001100121 |
4 | 32320001020312010221 |
5 | 113222002123443142 |
6 | 2101334010203241 |
7 | 133565411535043 |
oct | 16700110660451 |
9 | 3551470661317 |
10 | 1022221312297 |
11 | 3645813107a9 |
12 | 146143a23521 |
13 | 75519c27643 |
14 | 37693756a93 |
15 | 1b8cc50dc67 |
hex | ee01236129 |
1022221312297 has 4 divisors (see below), whose sum is σ = 1030270299136. Its totient is φ = 1014172325460.
The previous prime is 1022221312267. The next prime is 1022221312313. The reversal of 1022221312297 is 7922131222201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1022221312297 - 219 = 1022220788009 is a prime.
It is a super-2 number, since 2×10222213122972 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1022221312247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4024493229 + ... + 4024493482.
It is an arithmetic number, because the mean of its divisors is an integer number (257567574784).
Almost surely, 21022221312297 is an apocalyptic number.
It is an amenable number.
1022221312297 is a deficient number, since it is larger than the sum of its proper divisors (8048986839).
1022221312297 is an equidigital number, since it uses as much as digits as its factorization.
1022221312297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8048986838.
The product of its (nonzero) digits is 12096, while the sum is 34.
Adding to 1022221312297 its reverse (7922131222201), we get a palindrome (8944352534498).
The spelling of 1022221312297 in words is "one trillion, twenty-two billion, two hundred twenty-one million, three hundred twelve thousand, two hundred ninety-seven".
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