86722 has 8 divisors (see below), whose sum is σ = 131472.
Its totient is φ = 42900.
The previous prime is 86719. The next prime is 86729. The reversal of 86722 is 22768.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (86729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97 + ... + 427.
It is an arithmetic number, because the mean of its divisors is an integer number (16434).
286722 is an apocalyptic number.
86722 is a deficient number, since it is larger than the sum of its proper divisors (44750).
86722 is a wasteful number, since it uses less digits than its factorization.
86722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 464.
The product of its digits is 1344, while the sum is 25.
The square root of 86722 is about 294.4859928757.
The cubic root of 86722 is about 44.2632292576.
It can be divided in two parts, 86 and 722, that added together give a palindrome (808).
The spelling of 86722 in words is "eighty-six thousand, seven hundred twenty-two".