227740 has 24 divisors (see below), whose sum is σ = 488880. Its totient is φ = 89088.

The previous prime is 227729. The next prime is 227743. The reversal of 227740 is 47722.

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 (227743) by changing a digit.

227740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1084 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (20370).

2²²⁷⁷⁴⁰ is an apocalyptic number.

227740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227740 is an abundant number, since it is smaller than the sum of its proper divisors (261140).

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

227740 is a wasteful number, since it uses less digits than its factorization.

227740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 227740 is about 477.2211227513. The cubic root of 227740 is about 61.0679168291.

The spelling of 227740 in words is "two hundred twenty-seven thousand, seven hundred forty", and thus it is an iban number.