220075 has 6 divisors (see below), whose sum is σ = 272924. Its totient is φ = 176040.
The previous prime is 220063. The next prime is 220123. The reversal of 220075 is 570022.
It is a happy number.
It is not a de Polignac number, because 220075 - 217 = 89003 is a prime.
It is an Ulam number.
It is a Duffinian number.
220075 is a lucky number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4377 + ... + 4426.
2220075 is an apocalyptic number.
220075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
220075 is a deficient number, since it is larger than the sum of its proper divisors (52849).
220075 is an equidigital number, since it uses as much as digits as its factorization.
220075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8813 (or 8808 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 16.
The square root of 220075 is about 469.1215194382. The cubic root of 220075 is about 60.3749666008.
Adding to 220075 its reverse (570022), we get a palindrome (790097).
The spelling of 220075 in words is "two hundred twenty thousand, seventy-five".
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