226549 has 2 divisors, whose sum is σ = 226550. Its totient is φ = 226548.

The previous prime is 226547. The next prime is 226553. The reversal of 226549 is 945622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117649 + 108900 = 343^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 226549 - 2¹ = 226547 is a prime.

Together with 226547, it forms a pair of twin primes.

226549 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113274 + 113275.

It is an arithmetic number, because the mean of its divisors is an integer number (113275).

2²²⁶⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

226549 is a deficient number, since it is larger than the sum of its proper divisors (1).

226549 is an equidigital number, since it uses as much as digits as its factorization.

226549 is an evil number, because the sum of its binary digits is even.

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

The square root of 226549 is about 475.9716378105. The cubic root of 226549 is about 60.9612761482.

The spelling of 226549 in words is "two hundred twenty-six thousand, five hundred forty-nine".