266223346 has 8 divisors (see below), whose sum is σ = 406869804. Its totient is φ = 130600080.

The previous prime is 266223343. The next prime is 266223403. The reversal of 266223346 is 643322662.

It can be written as a sum of positive squares in 2 ways, for example, as 265201225 + 1022121 = 16285^2 + 1011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (266223343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255665 + ... + 1255876.

Almost surely, 2^266223346 is an apocalyptic number.

266223346 is a deficient number, since it is larger than the sum of its proper divisors (140646458).

266223346 is a wasteful number, since it uses less digits than its factorization.

266223346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511596.

The product of its digits is 62208, while the sum is 34.

The square root of 266223346 is about 16316.3521045606. The cubic root of 266223346 is about 643.3027073993.

The spelling of 266223346 in words is "two hundred sixty-six million, two hundred twenty-three thousand, three hundred forty-six".