220159 has 4 divisors (see below), whose sum is σ = 221904. Its totient is φ = 218416.
The previous prime is 220151. The next prime is 220163. The reversal of 220159 is 951022.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951022 = 2 ⋅475511.
It is a cyclic number.
It is not a de Polignac number, because 220159 - 23 = 220151 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220151) 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, 667 + ... + 940.
It is an arithmetic number, because the mean of its divisors is an integer number (55476).
2220159 is an apocalyptic number.
220159 is a deficient number, since it is larger than the sum of its proper divisors (1745).
220159 is a wasteful number, since it uses less digits than its factorization.
220159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1744.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 220159 is about 469.2110399383. The cubic root of 220159 is about 60.3826470917.
It can be divided in two parts, 22015 and 9, that multiplied together give a triangular number (198135 = T629).
The spelling of 220159 in words is "two hundred twenty thousand, one hundred fifty-nine".
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