Base | Representation |
---|---|
bin | 100101010100100111001 |
3 | 2022010121011 |
4 | 10222210321 |
5 | 303113334 |
6 | 42113521 |
7 | 13252336 |
oct | 4524471 |
9 | 2263534 |
10 | 1222969 |
11 | 765920 |
12 | 4ab8a1 |
13 | 33a867 |
14 | 23b98d |
15 | 192564 |
hex | 12a939 |
1222969 has 8 divisors (see below), whose sum is σ = 1353312. Its totient is φ = 1095840.
The previous prime is 1222967. The next prime is 1222993. The reversal of 1222969 is 9692221.
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 1222969 - 21 = 1222967 is a prime.
It is a super-2 number, since 2×12229692 = 2991306349922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1222969.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222967) 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, 42 + ... + 1564.
It is an arithmetic number, because the mean of its divisors is an integer number (169164).
21222969 is an apocalyptic number.
It is an amenable number.
1222969 is a deficient number, since it is larger than the sum of its proper divisors (130343).
1222969 is a wasteful number, since it uses less digits than its factorization.
1222969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1607.
The product of its digits is 3888, while the sum is 31.
The square root of 1222969 is about 1105.8792881685. The cubic root of 1222969 is about 106.9395821606.
The spelling of 1222969 in words is "one million, two hundred twenty-two thousand, nine hundred sixty-nine".
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