266220230 has 16 divisors (see below), whose sum is σ = 481847184. Its totient is φ = 105899040.

The previous prime is 266220223. The next prime is 266220233. The reversal of 266220230 is 32022662.

It is a happy number.

It is a super-2 number, since 2×266220230² = 141746421722505800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266220196 and 266220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266220233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71732 + ... + 75351.

It is an arithmetic number, because the mean of its divisors is an integer number (30115449).

Almost surely, 2^266220230 is an apocalyptic number.

266220230 is a deficient number, since it is larger than the sum of its proper divisors (215626954).

266220230 is a wasteful number, since it uses less digits than its factorization.

266220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147271.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 266220230 is about 16316.2566172514. The cubic root of 266220230 is about 643.3001975530.

Adding to 266220230 its reverse (32022662), we get a palindrome (298242892).

The spelling of 266220230 in words is "two hundred sixty-six million, two hundred twenty thousand, two hundred thirty".