Base | Representation |
---|---|
bin | 11010100010000… |
… | …11000011100000 |
3 | 120111210212102212 |
4 | 31101003003200 |
5 | 423434312033 |
6 | 34030301252 |
7 | 5341560125 |
oct | 1521030340 |
9 | 514725385 |
10 | 222572768 |
11 | 104700240 |
12 | 62657828 |
13 | 3715b782 |
14 | 217ba74c |
15 | 14817748 |
hex | d4430e0 |
222572768 has 48 divisors (see below), whose sum is σ = 482494320. Its totient is φ = 100224000.
The previous prime is 222572761. The next prime is 222572807. The reversal of 222572768 is 867275222.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222572761) 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, 35468 + ... + 41268.
It is an arithmetic number, because the mean of its divisors is an integer number (10051965).
Almost surely, 2222572768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222572768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241247160).
222572768 is an abundant number, since it is smaller than the sum of its proper divisors (259921552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222572768 is a wasteful number, since it uses less digits than its factorization.
222572768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5931 (or 5923 counting only the distinct ones).
The product of its digits is 188160, while the sum is 41.
The square root of 222572768 is about 14918.8728796783. The cubic root of 222572768 is about 606.0251889307.
The spelling of 222572768 in words is "two hundred twenty-two million, five hundred seventy-two thousand, seven hundred sixty-eight".
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