226831 has 8 divisors (see below), whose sum is σ = 262224. Its totient is φ = 193920.

The previous prime is 226823. The next prime is 226843. The reversal of 226831 is 138622.

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

It is a cyclic number.

It is not a de Polignac number, because 226831 - 2³ = 226823 is a prime.

It is a super-2 number, since 2×226831² = 102904605122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 793.

It is an arithmetic number, because the mean of its divisors is an integer number (32778).

2²²⁶⁸³¹ is an apocalyptic number.

226831 is a deficient number, since it is larger than the sum of its proper divisors (35393).

226831 is a wasteful number, since it uses less digits than its factorization.

226831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its digits is 576, while the sum is 22.

The square root of 226831 is about 476.2677818203. The cubic root of 226831 is about 60.9865597909.

Subtracting from 226831 its reverse (138622), we obtain a square (88209 = 297²).

The spelling of 226831 in words is "two hundred twenty-six thousand, eight hundred thirty-one".