223422266 has 4 divisors (see below), whose sum is σ = 335133402. Its totient is φ = 111711132.

The previous prime is 223422263. The next prime is 223422271. The reversal of 223422266 is 662224322.

223422266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 184172041 + 39250225 = 13571^2 + 6265^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223422263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55855565 + ... + 55855568.

Almost surely, 2^223422266 is an apocalyptic number.

223422266 is a deficient number, since it is larger than the sum of its proper divisors (111711136).

223422266 is a wasteful number, since it uses less digits than its factorization.

223422266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111711135.

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

The square root of 223422266 is about 14947.3163477596. The cubic root of 223422266 is about 606.7952196414.

Adding to 223422266 its reverse (662224322), we get a palindrome (885646588).

The spelling of 223422266 in words is "two hundred twenty-three million, four hundred twenty-two thousand, two hundred sixty-six".