220222 has 8 divisors (see below), whose sum is σ = 333000. Its totient is φ = 109224.
The previous prime is 220217. The next prime is 220243. The reversal of 220222 is 222022.
It is a sphenic number, since it is the product of 3 distinct primes.
220222 is a modest number, since divided by 222 gives 220 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 220199 and 220208.
It is a congruent number.
It is an unprimeable number.
220222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72 + ... + 667.
It is an arithmetic number, because the mean of its divisors is an integer number (41625).
2220222 is an apocalyptic number.
220222 is a deficient number, since it is larger than the sum of its proper divisors (112778).
220222 is a wasteful number, since it uses less digits than its factorization.
220222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 890.
The product of its (nonzero) digits is 32, while the sum is 10.
The square root of 220222 is about 469.2781691066. The cubic root of 220222 is about 60.3884061778.
Adding to 220222 its reverse (222022), we get a palindrome (442244).
It can be divided in two parts, 22022 and 2, that multiplied together give a palindrome (44044).
The spelling of 220222 in words is "two hundred twenty thousand, two hundred twenty-two", and thus it is an iban number.
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