222044066 has 4 divisors (see below), whose sum is σ = 333066102. Its totient is φ = 111022032.

The previous prime is 222044059. The next prime is 222044071. The reversal of 222044066 is 660440222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120538441 + 101505625 = 10979^2 + 10075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511015 + ... + 55511018.

Almost surely, 2^222044066 is an apocalyptic number.

222044066 is a deficient number, since it is larger than the sum of its proper divisors (111022036).

222044066 is a wasteful number, since it uses less digits than its factorization.

222044066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111022035.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 222044066 is about 14901.1431105134. The cubic root of 222044066 is about 605.5449553320.

Adding to 222044066 its reverse (660440222), we get a palindrome (882484288).

The spelling of 222044066 in words is "two hundred twenty-two million, forty-four thousand, sixty-six".