22671 has 12 divisors (see below), whose sum is σ = 35880. Its totient is φ = 13680.

The previous prime is 22669. The next prime is 22679. The reversal of 22671 is 17622.

It is a happy number.

22671 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 22671 - 2¹ = 22669 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22671.

It is not an unprimeable number, because it can be changed into a prime (22679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16 + ... + 213.

It is an arithmetic number, because the mean of its divisors is an integer number (2990).

2²²⁶⁷¹ is an apocalyptic number.

22671 is a deficient number, since it is larger than the sum of its proper divisors (13209).

22671 is a wasteful number, since it uses less digits than its factorization.

22671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 22671 is about 150.5689210960. The cubic root of 22671 is about 28.3024191850.

The spelling of 22671 in words is "twenty-two thousand, six hundred seventy-one".