222106 has 4 divisors (see below), whose sum is σ = 333162. Its totient is φ = 111052.

The previous prime is 222073. The next prime is 222107. The reversal of 222106 is 601222.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 164025 + 58081 = 405^2 + 241^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55525 + ... + 55528.

2²²²¹⁰⁶ is an apocalyptic number.

222106 is a deficient number, since it is larger than the sum of its proper divisors (111056).

222106 is a wasteful number, since it uses less digits than its factorization.

222106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111055.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 222106 is about 471.2812323868. The cubic root of 222106 is about 60.5601250967.

Adding to 222106 its reverse (601222), we get a palindrome (823328).

It can be divided in two parts, 222 and 106, that multiplied together give a palindrome (23532).

The spelling of 222106 in words is "two hundred twenty-two thousand, one hundred six".