222266066 has 64 divisors (see below), whose sum is σ = 407116800. Its totient is φ = 89812800.

The previous prime is 222266017. The next prime is 222266081. The reversal of 222266066 is 660662222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586265 + ... + 586643.

It is an arithmetic number, because the mean of its divisors is an integer number (6361200).

Almost surely, 2^222266066 is an apocalyptic number.

222266066 is a deficient number, since it is larger than the sum of its proper divisors (184850734).

222266066 is a wasteful number, since it uses less digits than its factorization.

222266066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 222266066 is about 14908.5903424838. The cubic root of 222266066 is about 605.7466963736.

The spelling of 222266066 in words is "two hundred twenty-two million, two hundred sixty-six thousand, sixty-six".