266832226 has 8 divisors (see below), whose sum is σ = 400317660. Its totient is φ = 133393008.

The previous prime is 266832199. The next prime is 266832229. The reversal of 266832226 is 622238662.

It is a Cunningham number, because it is equal to 16335²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 266832225 + 1 = 16335^2 + 1^2 .

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 (266832229) 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, 16740 + ... + 28528.

Almost surely, 2^266832226 is an apocalyptic number.

266832226 is a deficient number, since it is larger than the sum of its proper divisors (133485434).

266832226 is a wasteful number, since it uses less digits than its factorization.

266832226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23108.

The product of its digits is 82944, while the sum is 37.

The square root of 266832226 is about 16335.0000306091. Note that the first 4 decimals coincide. The cubic root of 266832226 is about 643.7927669957.

The spelling of 266832226 in words is "two hundred sixty-six million, eight hundred thirty-two thousand, two hundred twenty-six".