84722 has 8 divisors (see below), whose sum is σ = 138672. Its totient is φ = 38500.

The previous prime is 84719. The next prime is 84731. The reversal of 84722 is 22748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (17334).

2⁸⁴⁷²² is an apocalyptic number.

84722 is a deficient number, since it is larger than the sum of its proper divisors (53950).

84722 is a wasteful number, since it uses less digits than its factorization.

84722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864.

The product of its digits is 896, while the sum is 23.

The square root of 84722 is about 291.0704382104. The cubic root of 84722 is about 43.9203103042.

The spelling of 84722 in words is "eighty-four thousand, seven hundred twenty-two".