Base | Representation |
---|---|
bin | 100100011011010… |
… | …1101001010100001 |
3 | 10011011222021211021 |
4 | 1020312231022201 |
5 | 10000402102241 |
6 | 321142045441 |
7 | 42201244534 |
oct | 11066551241 |
9 | 3134867737 |
10 | 1222300321 |
11 | 577a58360 |
12 | 2a1419881 |
13 | 166301938 |
14 | b8496a1b |
15 | 724930d1 |
hex | 48dad2a1 |
1222300321 has 8 divisors (see below), whose sum is σ = 1345220064. Its totient is φ = 1101347520.
The previous prime is 1222300309. The next prime is 1222300337. The reversal of 1222300321 is 1230032221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1222300321 - 219 = 1221776033 is a prime.
It is a super-3 number, since 3×12223003213 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1222300295 and 1222300304.
It is not an unprimeable number, because it can be changed into a prime (1222300351) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490431 + ... + 492916.
It is an arithmetic number, because the mean of its divisors is an integer number (168152508).
Almost surely, 21222300321 is an apocalyptic number.
1222300321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1222300321 is a deficient number, since it is larger than the sum of its proper divisors (122919743).
1222300321 is a wasteful number, since it uses less digits than its factorization.
1222300321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 983471.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1222300321 is about 34961.4118851056. The cubic root of 1222300321 is about 1069.2008826509.
Adding to 1222300321 its reverse (1230032221), we get a palindrome (2452332542).
The spelling of 1222300321 in words is "one billion, two hundred twenty-two million, three hundred thousand, three hundred twenty-one".
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