180226 has 8 divisors (see below), whose sum is σ = 273420. Its totient is φ = 89088.
The previous prime is 180221. The next prime is 180233. The reversal of 180226 is 622081.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 21025 = 399^2 + 145^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1802262 = 64962822152, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (180221) 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, 271 + ... + 658.
2180226 is an apocalyptic number.
180226 is a deficient number, since it is larger than the sum of its proper divisors (93194).
180226 is an equidigital number, since it uses as much as digits as its factorization.
180226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1028.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 180226 is about 424.5303287163. The cubic root of 180226 is about 56.4857823102.
It can be divided in two parts, 180 and 226, that added together give a triangular number (406 = T28).
The spelling of 180226 in words is "one hundred eighty thousand, two hundred twenty-six".
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