24722 has 8 divisors (see below), whose sum is σ = 38016. Its totient is φ = 12052.

The previous prime is 24709. The next prime is 24733. The reversal of 24722 is 22742.

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

It is a super-2 number, since 2×24722² = 1222354568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24722.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 24722.

It is an unprimeable number.

24722 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 225.

It is an arithmetic number, because the mean of its divisors is an integer number (4752).

2²⁴⁷²² is an apocalyptic number.

24722 is a deficient number, since it is larger than the sum of its proper divisors (13294).

24722 is a wasteful number, since it uses less digits than its factorization.

24722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its digits is 224, while the sum is 17.

The square root of 24722 is about 157.2323122008. The cubic root of 24722 is about 29.1313895490.

The spelling of 24722 in words is "twenty-four thousand, seven hundred twenty-two", and thus it is an iban number.