222342266 has 4 divisors (see below), whose sum is σ = 333513402. Its totient is φ = 111171132.

The previous prime is 222342259. The next prime is 222342271. The reversal of 222342266 is 662243222.

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., 201044041 + 21298225 = 14179^2 + 4615^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55585565 + ... + 55585568.

Almost surely, 2^222342266 is an apocalyptic number.

222342266 is a deficient number, since it is larger than the sum of its proper divisors (111171136).

222342266 is a wasteful number, since it uses less digits than its factorization.

222342266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111171135.

The product of its digits is 13824, while the sum is 29.

The square root of 222342266 is about 14911.1456970952. The cubic root of 222342266 is about 605.8159116544.

Adding to 222342266 its reverse (662243222), we get a palindrome (884585488).

The spelling of 222342266 in words is "two hundred twenty-two million, three hundred forty-two thousand, two hundred sixty-six".