Base | Representation |
---|---|
bin | 1000010001110111… |
… | …1001000100001011 |
3 | 12201212220001122222 |
4 | 2010131321010023 |
5 | 14022420202202 |
6 | 1004310204255 |
7 | 106034221112 |
oct | 20435710413 |
9 | 5655801588 |
10 | 2222428427 |
11 | a4055940a |
12 | 52035368b |
13 | 29558520b |
14 | 171238c79 |
15 | d019c4a2 |
hex | 8477910b |
2222428427 has 4 divisors (see below), whose sum is σ = 2299063920. Its totient is φ = 2145792936.
The previous prime is 2222428349. The next prime is 2222428459. The reversal of 2222428427 is 7248242222.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2222428427 - 226 = 2155319563 is a prime.
It is a super-2 number, since 2×22224284272 = 9878376226275388658, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2222428027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38317703 + ... + 38317760.
It is an arithmetic number, because the mean of its divisors is an integer number (574765980).
Almost surely, 22222428427 is an apocalyptic number.
2222428427 is a deficient number, since it is larger than the sum of its proper divisors (76635493).
2222428427 is an equidigital number, since it uses as much as digits as its factorization.
2222428427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76635492.
The product of its digits is 57344, while the sum is 35.
The square root of 2222428427 is about 47142.6391603185. The cubic root of 2222428427 is about 1304.9962423618.
The spelling of 2222428427 in words is "two billion, two hundred twenty-two million, four hundred twenty-eight thousand, four hundred twenty-seven".
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