Base | Representation |
---|---|
bin | 11010011110101… |
… | …00101111101101 |
3 | 120110221220122112 |
4 | 31033110233231 |
5 | 423330332231 |
6 | 34012453405 |
7 | 5334665630 |
oct | 1517245755 |
9 | 513856575 |
10 | 222120941 |
11 | 104421829 |
12 | 6247a265 |
13 | 37030c13 |
14 | 216ddc17 |
15 | 1477892b |
hex | d3d4bed |
222120941 has 4 divisors (see below), whose sum is σ = 253852512. Its totient is φ = 190389372.
The previous prime is 222120937. The next prime is 222120991. The reversal of 222120941 is 149021222.
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 222120941 - 22 = 222120937 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222120991) 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, 15865775 + ... + 15865788.
It is an arithmetic number, because the mean of its divisors is an integer number (63463128).
Almost surely, 2222120941 is an apocalyptic number.
It is an amenable number.
222120941 is a deficient number, since it is larger than the sum of its proper divisors (31731571).
222120941 is an equidigital number, since it uses as much as digits as its factorization.
222120941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31731570.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 222120941 is about 14903.7223873769. The cubic root of 222120941 is about 605.6148301967.
The spelling of 222120941 in words is "two hundred twenty-two million, one hundred twenty thousand, nine hundred forty-one".
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