266223234 has 32 divisors (see below), whose sum is σ = 546036480. Its totient is φ = 86485392.

The previous prime is 266223203. The next prime is 266223253. The reversal of 266223234 is 432322662.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 158869 + ... + 160535.

It is an arithmetic number, because the mean of its divisors is an integer number (17063640).

Almost surely, 2^266223234 is an apocalyptic number.

266223234 is an abundant number, since it is smaller than the sum of its proper divisors (279813246).

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

266223234 is a wasteful number, since it uses less digits than its factorization.

266223234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its digits is 20736, while the sum is 30.

The square root of 266223234 is about 16316.3486724206. The cubic root of 266223234 is about 643.3026171869.

Adding to 266223234 its reverse (432322662), we get a palindrome (698545896).

The spelling of 266223234 in words is "two hundred sixty-six million, two hundred twenty-three thousand, two hundred thirty-four".