222105065 has 16 divisors (see below), whose sum is σ = 328032768. Its totient is φ = 140584896.

The previous prime is 222105053. The next prime is 222105109. The reversal of 222105065 is 560501222.

It is a cyclic number.

It is not a de Polignac number, because 222105065 - 2⁶ = 222105001 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222105065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243617 + ... + 244526.

It is an arithmetic number, because the mean of its divisors is an integer number (20502048).

Almost surely, 2^222105065 is an apocalyptic number.

It is an amenable number.

222105065 is a deficient number, since it is larger than the sum of its proper divisors (105927703).

222105065 is a wasteful number, since it uses less digits than its factorization.

222105065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488168.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 222105065 is about 14903.1897592428. The cubic root of 222105065 is about 605.6004011653.

Adding to 222105065 its reverse (560501222), we get a palindrome (782606287).

The spelling of 222105065 in words is "two hundred twenty-two million, one hundred five thousand, sixty-five".