222105 has 32 divisors (see below), whose sum is σ = 411264. Its totient is φ = 101376.

The previous prime is 222073. The next prime is 222107. The reversal of 222105 is 501222.

It is not a de Polignac number, because 222105 - 2⁵ = 222073 is a prime.

It is an Ulam number.

222105 is a lucky 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 in 31 ways as a sum of consecutive naturals, for example, 3282 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (12852).

2²²²¹⁰⁵ is an apocalyptic number.

It is an amenable number.

222105 is a deficient number, since it is larger than the sum of its proper divisors (189159).

222105 is a wasteful number, since it uses less digits than its factorization.

222105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 222105 is about 471.2801714479. The cubic root of 222105 is about 60.5600342088.

Adding to 222105 its reverse (501222), we get a palindrome (723327).

The spelling of 222105 in words is "two hundred twenty-two thousand, one hundred five".