538226 has 16 divisors (see below), whose sum is σ = 881664. Its totient is φ = 244944.

The previous prime is 538201. The next prime is 538247. The reversal of 538226 is 622835.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 5⁴ + 3¹² + 2⁸ + 8³ + 2¹² + 6⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 538195 and 538204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (55104).

2⁵³⁸²²⁶ is an apocalyptic number.

538226 is a deficient number, since it is larger than the sum of its proper divisors (343438).

538226 is a wasteful number, since it uses less digits than its factorization.

538226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its digits is 2880, while the sum is 26.

The square root of 538226 is about 733.6388757420. The cubic root of 538226 is about 81.3432570232.

The spelling of 538226 in words is "five hundred thirty-eight thousand, two hundred twenty-six".