222220105 has 16 divisors (see below), whose sum is σ = 281260800. Its totient is φ = 168082560.

The previous prime is 222220081. The next prime is 222220109. The reversal of 222220105 is 501022222.

It is not a de Polignac number, because 222220105 - 2¹¹ = 222218057 is a prime.

It is a super-2 number, since 2×222220105² = 98763550132422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222220109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52000 + ... + 56110.

It is an arithmetic number, because the mean of its divisors is an integer number (17578800).

Almost surely, 2^222220105 is an apocalyptic number.

It is an amenable number.

222220105 is a deficient number, since it is larger than the sum of its proper divisors (59040695).

222220105 is a wasteful number, since it uses less digits than its factorization.

222220105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 222220105 is about 14907.0488360373. The cubic root of 222220105 is about 605.7049406472.

Adding to 222220105 its reverse (501022222), we get a palindrome (723242327).

The spelling of 222220105 in words is "two hundred twenty-two million, two hundred twenty thousand, one hundred five".