226530 has 32 divisors (see below), whose sum is σ = 604800. Its totient is φ = 60336.

The previous prime is 226511. The next prime is 226531. The reversal of 226530 is 35622.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 226530.

It is not an unprimeable number, because it can be changed into a prime (226531) by changing a digit.

226530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 689.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2²²⁶⁵³⁰ is an apocalyptic number.

226530 is an abundant number, since it is smaller than the sum of its proper divisors (378270).

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

226530 is a wasteful number, since it uses less digits than its factorization.

226530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 226530 is about 475.9516782195. The cubic root of 226530 is about 60.9595718861.

The spelling of 226530 in words is "two hundred twenty-six thousand, five hundred thirty".