227485 has 4 divisors (see below), whose sum is σ = 272988. Its totient is φ = 181984.

The previous prime is 227473. The next prime is 227489. The reversal of 227485 is 584722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58564 + 168921 = 242^2 + 411^2 .

It is a cyclic number.

It is not a de Polignac number, because 227485 - 2⁵ = 227453 is a prime.

It is a Duffinian number.

227485 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22744 + ... + 22753.

It is an arithmetic number, because the mean of its divisors is an integer number (68247).

2²²⁷⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

227485 is a deficient number, since it is larger than the sum of its proper divisors (45503).

227485 is an equidigital number, since it uses as much as digits as its factorization.

227485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45502.

The product of its digits is 4480, while the sum is 28.

The square root of 227485 is about 476.9538761767. The cubic root of 227485 is about 61.0451157775.

The spelling of 227485 in words is "two hundred twenty-seven thousand, four hundred eighty-five".