226529 has 4 divisors (see below), whose sum is σ = 227520. Its totient is φ = 225540.

The previous prime is 226511. The next prime is 226531. The reversal of 226529 is 925622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226498 and 226507.

It is not an unprimeable number, because it can be changed into a prime (226549) 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, 44 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (56880).

2²²⁶⁵²⁹ is an apocalyptic number.

It is an amenable number.

226529 is a deficient number, since it is larger than the sum of its proper divisors (991).

226529 is an equidigital number, since it uses as much as digits as its factorization.

226529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its digits is 2160, while the sum is 26.

The square root of 226529 is about 475.9506276916. The cubic root of 226529 is about 60.9594821855.

The spelling of 226529 in words is "two hundred twenty-six thousand, five hundred twenty-nine".