222105066 has 16 divisors (see below), whose sum is σ = 463523904. Its totient is φ = 70816064.

The previous prime is 222105053. The next prime is 222105109. The reversal of 222105066 is 660501222.

It is a Curzon 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, 804591 + ... + 804866.

It is an arithmetic number, because the mean of its divisors is an integer number (28970244).

Almost surely, 2^222105066 is an apocalyptic number.

222105066 is an abundant number, since it is smaller than the sum of its proper divisors (241418838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222105066 is a wasteful number, since it uses less digits than its factorization.

222105066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609485.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 222105066 is about 14903.1897927927. The cubic root of 222105066 is about 605.6004020741.

Adding to 222105066 its reverse (660501222), we get a palindrome (882606288).

The spelling of 222105066 in words is "two hundred twenty-two million, one hundred five thousand, sixty-six".