222071 has 4 divisors (see below), whose sum is σ = 235152. Its totient is φ = 208992.

The previous prime is 222067. The next prime is 222073. The reversal of 222071 is 170222.

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

It is a cyclic number.

It is not a de Polignac number, because 222071 - 2² = 222067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222073) 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, 6515 + ... + 6548.

It is an arithmetic number, because the mean of its divisors is an integer number (58788).

2²²²⁰⁷¹ is an apocalyptic number.

222071 is a deficient number, since it is larger than the sum of its proper divisors (13081).

222071 is a wasteful number, since it uses less digits than its factorization.

222071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 222071 is about 471.2440981063. The cubic root of 222071 is about 60.5569438593.

Adding to 222071 its reverse (170222), we get a palindrome (392293).

The spelling of 222071 in words is "two hundred twenty-two thousand, seventy-one", and thus it is an iban number.