Base | Representation |
---|---|
bin | 100100011100010… |
… | …1100100011101101 |
3 | 10011012221210121100 |
4 | 1020320230203231 |
5 | 10001020302000 |
6 | 321201153313 |
7 | 42205550040 |
oct | 11070544355 |
9 | 3135853540 |
10 | 1222822125 |
11 | 5782843a8 |
12 | 2a162b839 |
13 | 1664552b5 |
14 | b8590c57 |
15 | 72547a00 |
hex | 48e2c8ed |
1222822125 has 96 divisors (see below), whose sum is σ = 2601031680. Its totient is φ = 540864000.
The previous prime is 1222822123. The next prime is 1222822147. The reversal of 1222822125 is 5212282221.
It is not a de Polignac number, because 1222822125 - 21 = 1222822123 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222822123) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 241621 + ... + 246629.
It is an arithmetic number, because the mean of its divisors is an integer number (27094080).
Almost surely, 21222822125 is an apocalyptic number.
1222822125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1222822125 is an abundant number, since it is smaller than the sum of its proper divisors (1378209555).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222822125 is a wasteful number, since it uses less digits than its factorization.
1222822125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5068 (or 5055 counting only the distinct ones).
The product of its digits is 2560, while the sum is 27.
The square root of 1222822125 is about 34968.8736592988. The cubic root of 1222822125 is about 1069.3530094550.
The spelling of 1222822125 in words is "one billion, two hundred twenty-two million, eight hundred twenty-two thousand, one hundred twenty-five".
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