Base | Representation |
---|---|
bin | 101010100001… |
… | …1001001111001 |
3 | 1112221201012201 |
4 | 1111003021321 |
5 | 21201421121 |
6 | 2113510201 |
7 | 360335320 |
oct | 125031171 |
9 | 45851181 |
10 | 22295161 |
11 | 11648759 |
12 | 7572361 |
13 | 4808005 |
14 | 2d650b7 |
15 | 1e55e91 |
hex | 1543279 |
22295161 has 4 divisors (see below), whose sum is σ = 25480192. Its totient is φ = 19110132.
The previous prime is 22295129. The next prime is 22295179. The reversal of 22295161 is 16159222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 22295161 - 25 = 22295129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22295101) 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, 1592505 + ... + 1592518.
It is an arithmetic number, because the mean of its divisors is an integer number (6370048).
Almost surely, 222295161 is an apocalyptic number.
It is an amenable number.
22295161 is a deficient number, since it is larger than the sum of its proper divisors (3185031).
22295161 is an equidigital number, since it uses as much as digits as its factorization.
22295161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3185030.
The product of its digits is 2160, while the sum is 28.
The square root of 22295161 is about 4721.7751958347. The cubic root of 22295161 is about 281.4514805845.
The spelling of 22295161 in words is "twenty-two million, two hundred ninety-five thousand, one hundred sixty-one".
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