226945 has 4 divisors (see below), whose sum is σ = 272340. Its totient is φ = 181552.

The previous prime is 226943. The next prime is 226991. The reversal of 226945 is 549622.

226945 is nontrivially palindromic in base 14.

226945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549622 = 2 ⋅274811.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 103041 = 352^2 + 321^2 .

It is a cyclic number.

It is not a de Polignac number, because 226945 - 2¹ = 226943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22690 + ... + 22699.

It is an arithmetic number, because the mean of its divisors is an integer number (68085).

2²²⁶⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

226945 is a deficient number, since it is larger than the sum of its proper divisors (45395).

226945 is an equidigital number, since it uses as much as digits as its factorization.

226945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45394.

The product of its digits is 4320, while the sum is 28.

The square root of 226945 is about 476.3874473577. The cubic root of 226945 is about 60.9967748900.

The spelling of 226945 in words is "two hundred twenty-six thousand, nine hundred forty-five".