222223266 has 24 divisors (see below), whose sum is σ = 481768560. Its totient is φ = 74030616.

The previous prime is 222223241. The next prime is 222223277. The reversal of 222223266 is 662322222.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45541 + ... + 50183.

It is an arithmetic number, because the mean of its divisors is an integer number (20073690).

Almost surely, 2^222223266 is an apocalyptic number.

222223266 is an abundant number, since it is smaller than the sum of its proper divisors (259545294).

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

222223266 is a wasteful number, since it uses less digits than its factorization.

222223266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310 (or 7307 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 222223266 is about 14907.1548593285. The cubic root of 222223266 is about 605.7078126109.

Adding to 222223266 its reverse (662322222), we get a palindrome (884545488).

The spelling of 222223266 in words is "two hundred twenty-two million, two hundred twenty-three thousand, two hundred sixty-six".