247022 has 8 divisors (see below), whose sum is σ = 383400. Its totient is φ = 119224.
The previous prime is 247007. The next prime is 247031. The reversal of 247022 is 220742.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2470222 = 122039736968, which contains 22 as substring.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247022.
It is an unprimeable number.
247022 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, 2072 + ... + 2187.
It is an arithmetic number, because the mean of its divisors is an integer number (47925).
2247022 is an apocalyptic number.
247022 is a deficient number, since it is larger than the sum of its proper divisors (136378).
247022 is a wasteful number, since it uses less digits than its factorization.
247022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4290.
The product of its (nonzero) digits is 224, while the sum is 17.
The square root of 247022 is about 497.0130782988. The cubic root of 247022 is about 62.7449163355.
Adding to 247022 its reverse (220742), we get a palindrome (467764).
The spelling of 247022 in words is "two hundred forty-seven thousand, twenty-two", and thus it is an iban number.
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