1244222 has 8 divisors (see below), whose sum is σ = 2132976. Its totient is φ = 533232.
The previous prime is 1244203. The next prime is 1244233. The reversal of 1244222 is 2224421.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1244222.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44423 + ... + 44450.
It is an arithmetic number, because the mean of its divisors is an integer number (266622).
21244222 is an apocalyptic number.
1244222 is a deficient number, since it is larger than the sum of its proper divisors (888754).
1244222 is an equidigital number, since it uses as much as digits as its factorization.
1244222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88882.
The product of its digits is 256, while the sum is 17.
The square root of 1244222 is about 1115.4469956031. The cubic root of 1244222 is about 107.5555004559. Note that the first 4 decimals are identical.
Adding to 1244222 its reverse (2224421), we get a palindrome (3468643).
The spelling of 1244222 in words is "one million, two hundred forty-four thousand, two hundred twenty-two".
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