540226 has 8 divisors (see below), whose sum is σ = 858060. Its totient is φ = 254208.

The previous prime is 540217. The next prime is 540233. The reversal of 540226 is 622045.

It is a Cunningham number, because it is equal to 735²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 1 = 735^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7911 + ... + 7978.

2⁵⁴⁰²²⁶ is an apocalyptic number.

540226 is a deficient number, since it is larger than the sum of its proper divisors (317834).

540226 is a wasteful number, since it uses less digits than its factorization.

540226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15908.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 540226 is about 735.0006802718. Note that the first 3 decimals coincide. The cubic root of 540226 is about 81.4438872538.

The spelling of 540226 in words is "five hundred forty thousand, two hundred twenty-six".