Base | Representation |
---|---|
bin | 100100011100101… |
… | …1100110111110110 |
3 | 10011020022212001212 |
4 | 1020321130313312 |
5 | 10001043120042 |
6 | 321205321422 |
7 | 42210333020 |
oct | 11071346766 |
9 | 3136285055 |
10 | 1223020022 |
11 | 5783aa054 |
12 | 2a1706272 |
13 | 1664c43b3 |
14 | b8603010 |
15 | 72586482 |
hex | 48e5cdf6 |
1223020022 has 32 divisors (see below), whose sum is σ = 2124610560. Its totient is φ = 517176000.
The previous prime is 1223020013. The next prime is 1223020031. The reversal of 1223020022 is 2200203221.
It is an interprime number because it is at equal distance from previous prime (1223020013) and next prime (1223020031).
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 1223019979 and 1223020006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935093 + ... + 936399.
It is an arithmetic number, because the mean of its divisors is an integer number (66394080).
Almost surely, 21223020022 is an apocalyptic number.
1223020022 is a deficient number, since it is larger than the sum of its proper divisors (901590538).
1223020022 is a wasteful number, since it uses less digits than its factorization.
1223020022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2156.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 1223020022 is about 34971.7031612703. The cubic root of 1223020022 is about 1069.4106930525.
Adding to 1223020022 its reverse (2200203221), we get a palindrome (3423223243).
The spelling of 1223020022 in words is "one billion, two hundred twenty-three million, twenty thousand, twenty-two".
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