226540 has 24 divisors (see below), whose sum is σ = 487872. Its totient is φ = 88320.

The previous prime is 226531. The next prime is 226547. The reversal of 226540 is 45622.

It is not an unprimeable number, because it can be changed into a prime (226547) 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, 820 + ... + 1060.

It is an arithmetic number, because the mean of its divisors is an integer number (20328).

2²²⁶⁵⁴⁰ is an apocalyptic number.

226540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226540 is an abundant number, since it is smaller than the sum of its proper divisors (261332).

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

226540 is a wasteful number, since it uses less digits than its factorization.

226540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 295 counting only the distinct ones).

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

The square root of 226540 is about 475.9621833717. The cubic root of 226540 is about 60.9604688781.

The spelling of 226540 in words is "two hundred twenty-six thousand, five hundred forty".