22847 has 8 divisors (see below), whose sum is σ = 26112. Its totient is φ = 19800.

The previous prime is 22817. The next prime is 22853. The reversal of 22847 is 74822.

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

It is not a de Polignac number, because 22847 - 2⁶ = 22783 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 374.

It is an arithmetic number, because the mean of its divisors is an integer number (3264).

2²²⁸⁴⁷ is an apocalyptic number.

22847 is a deficient number, since it is larger than the sum of its proper divisors (3265).

22847 is a wasteful number, since it uses less digits than its factorization.

22847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109.

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

The square root of 22847 is about 151.1522411346. The cubic root of 22847 is about 28.3754697924.

The spelling of 22847 in words is "twenty-two thousand, eight hundred forty-seven".