276226 has 4 divisors (see below), whose sum is σ = 414342. Its totient is φ = 138112.

The previous prime is 276209. The next prime is 276229. The reversal of 276226 is 622672.

It is a happy number.

276226 is digitally balanced in base 3, 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., 249001 + 27225 = 499^2 + 165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 276226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69055 + ... + 69058.

2²⁷⁶²²⁶ is an apocalyptic number.

276226 is a deficient number, since it is larger than the sum of its proper divisors (138116).

276226 is a wasteful number, since it uses less digits than its factorization.

276226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138115.

The product of its digits is 2016, while the sum is 25.

The square root of 276226 is about 525.5720692731. The cubic root of 276226 is about 65.1260669731.

Adding to 276226 its reverse (622672), we get a palindrome (898898).

The spelling of 276226 in words is "two hundred seventy-six thousand, two hundred twenty-six".