222066705 has 32 divisors (see below), whose sum is σ = 406626048. Its totient is φ = 101376000.

The previous prime is 222066703. The next prime is 222066721. The reversal of 222066705 is 507660222.

It is not a de Polignac number, because 222066705 - 2¹ = 222066703 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222066703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137905 + ... + 139505.

It is an arithmetic number, because the mean of its divisors is an integer number (12707064).

Almost surely, 2^222066705 is an apocalyptic number.

It is an amenable number.

222066705 is a deficient number, since it is larger than the sum of its proper divisors (184559343).

222066705 is a wasteful number, since it uses less digits than its factorization.

222066705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 222066705 is about 14901.9027308596. The cubic root of 222066705 is about 605.5655345299.

The spelling of 222066705 in words is "two hundred twenty-two million, sixty-six thousand, seven hundred five".