222211105 has 8 divisors (see below), whose sum is σ = 271025064. Its totient is φ = 174854400.

The previous prime is 222211081. The next prime is 222211117. The reversal of 222211105 is 501112222.

It is a happy number.

222211105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5414929 + 216796176 = 2327^2 + 14724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222211105 - 2¹³ = 222202913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363976 + ... + 364585.

It is an arithmetic number, because the mean of its divisors is an integer number (33878133).

Almost surely, 2^222211105 is an apocalyptic number.

It is an amenable number.

222211105 is a deficient number, since it is larger than the sum of its proper divisors (48813959).

222211105 is an equidigital number, since it uses as much as digits as its factorization.

222211105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728627.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 222211105 is about 14906.7469623657. The cubic root of 222211105 is about 605.6967634422.

Adding to 222211105 its reverse (501112222), we get a palindrome (723323327).

The spelling of 222211105 in words is "two hundred twenty-two million, two hundred eleven thousand, one hundred five".