227540 has 24 divisors (see below), whose sum is σ = 494592. Its totient is φ = 87840.

The previous prime is 227537. The next prime is 227561. The reversal of 227540 is 45722.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 5⁷ + 7⁵ + 4⁵ + 0 .

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (20608).

2²²⁷⁵⁴⁰ is an apocalyptic number.

227540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247296).

227540 is an abundant number, since it is smaller than the sum of its proper divisors (267052).

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

227540 is a wasteful number, since it uses less digits than its factorization.

227540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 227540 is about 477.0115302590. The cubic root of 227540 is about 61.0500350920.

It can be divided in two parts, 227 and 540, that added together give a palindrome (767).

The spelling of 227540 in words is "two hundred twenty-seven thousand, five hundred forty".