222671 has 4 divisors (see below), whose sum is σ = 228144. Its totient is φ = 217200.

The previous prime is 222659. The next prime is 222679. The reversal of 222671 is 176222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222671 is a prime.

It is a Duffinian number.

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 222671.

It is not an unprimeable number, because it can be changed into a prime (222679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (57036).

2²²²⁶⁷¹ is an apocalyptic number.

222671 is a deficient number, since it is larger than the sum of its proper divisors (5473).

222671 is an equidigital number, since it uses as much as digits as its factorization.

222671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472.

The product of its digits is 336, while the sum is 20.

The square root of 222671 is about 471.8802814274. The cubic root of 222671 is about 60.6114331778.

Adding to 222671 its reverse (176222), we get a palindrome (398893).

The spelling of 222671 in words is "two hundred twenty-two thousand, six hundred seventy-one".