226340 has 12 divisors (see below), whose sum is σ = 475356. Its totient is φ = 90528.

The previous prime is 226337. The next prime is 226357. The reversal of 226340 is 43622.

It can be written as a sum of positive squares in 2 ways, for example, as 164836 + 61504 = 406^2 + 248^2 .

It is an Ulam number.

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, 5639 + ... + 5678.

It is an arithmetic number, because the mean of its divisors is an integer number (39613).

2²²⁶³⁴⁰ is an apocalyptic number.

226340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226340 is an abundant number, since it is smaller than the sum of its proper divisors (249016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226340 is a wasteful number, since it uses less digits than its factorization.

226340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11326 (or 11324 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 226340 is about 475.7520362542. The cubic root of 226340 is about 60.9425240215.

Adding to 226340 its reverse (43622), we get a palindrome (269962).

The spelling of 226340 in words is "two hundred twenty-six thousand, three hundred forty".