Base | Representation |
---|---|
bin | 1100111011110101101… |
… | …0010011101010101111 |
3 | 210020120222020122122012 |
4 | 3032331122103222233 |
5 | 12120102101402343 |
6 | 250030441511435 |
7 | 22024563241622 |
oct | 3167532235257 |
9 | 706528218565 |
10 | 222221122223 |
11 | 86275037221 |
12 | 370994a257b |
13 | 17c55c125c9 |
14 | aa81381db9 |
15 | 5ba91d0718 |
hex | 33bd693aaf |
222221122223 has 8 divisors (see below), whose sum is σ = 235301218128. Its totient is φ = 209141944704.
The previous prime is 222221122213. The next prime is 222221122247. The reversal of 222221122223 is 322221122222.
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 222221122223 - 26 = 222221122159 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222221122213) 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, 304040 + ... + 732722.
It is an arithmetic number, because the mean of its divisors is an integer number (29412652266).
Almost surely, 2222221122223 is an apocalyptic number.
222221122223 is a deficient number, since it is larger than the sum of its proper divisors (13080095905).
222221122223 is a wasteful number, since it uses less digits than its factorization.
222221122223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459193.
The product of its digits is 1536, while the sum is 23.
Adding to 222221122223 its reverse (322221122222), we get a palindrome (544442244445).
Subtracting 222221122223 from its reverse (322221122222), we obtain a palindrome (99999999999).
The spelling of 222221122223 in words is "two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-three".
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