Base | Representation |
---|---|
bin | 111000110100100000… |
… | …1010000101000001110 |
3 | 102122221212002011210100 |
4 | 1301221001100220032 |
5 | 3444344340202342 |
6 | 132020005551530 |
7 | 11546536401321 |
oct | 1615101205016 |
9 | 378855064710 |
10 | 122021022222 |
11 | 47826760020 |
12 | 1b7947155a6 |
13 | b677b121c8 |
14 | 5c979147b8 |
15 | 329261be4c |
hex | 1c69050a0e |
122021022222 has 48 divisors (see below), whose sum is σ = 288461405232. Its totient is φ = 36969903360.
The previous prime is 122021022209. The next prime is 122021022301. The reversal of 122021022222 is 222220120221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 122021022195 and 122021022204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1218438 + ... + 1314774.
It is an arithmetic number, because the mean of its divisors is an integer number (6009612609).
Almost surely, 2122021022222 is an apocalyptic number.
122021022222 is an abundant number, since it is smaller than the sum of its proper divisors (166440383010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122021022222 is a wasteful number, since it uses less digits than its factorization.
122021022222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102753 (or 102750 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 122021022222 its reverse (222220120221), we get a palindrome (344241142443).
The spelling of 122021022222 in words is "one hundred twenty-two billion, twenty-one million, twenty-two thousand, two hundred twenty-two".
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