87022 has 8 divisors (see below), whose sum is σ = 140616. Its totient is φ = 40152.
The previous prime is 87013. The next prime is 87037. The reversal of 87022 is 22078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
87022 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, 1648 + ... + 1699.
It is an arithmetic number, because the mean of its divisors is an integer number (17577).
287022 is an apocalyptic number.
87022 is a deficient number, since it is larger than the sum of its proper divisors (53594).
87022 is a wasteful number, since it uses less digits than its factorization.
87022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3362.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 87022 is about 294.9949152104. The cubic root of 87022 is about 44.3142108848.
The spelling of 87022 in words is "eighty-seven thousand, twenty-two".
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