226505 has 8 divisors (see below), whose sum is σ = 275400. Its totient is φ = 178816.

The previous prime is 226487. The next prime is 226511. The reversal of 226505 is 505622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 203401 = 152^2 + 451^2 .

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 226505 - 2¹⁶ = 160969 is a prime.

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, 191 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (34425).

2²²⁶⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

226505 is a deficient number, since it is larger than the sum of its proper divisors (48895).

226505 is an equidigital number, since it uses as much as digits as its factorization.

226505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 226505 is about 475.9254143246. The cubic root of 226505 is about 60.9573292908.

The spelling of 226505 in words is "two hundred twenty-six thousand, five hundred five".