544220 has 12 divisors (see below), whose sum is σ = 1142904. Its totient is φ = 217680.

The previous prime is 544199. The next prime is 544223. The reversal of 544220 is 22445.

544220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544223) by changing a digit.

544220 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 3 ways as a sum of consecutive naturals, for example, 13586 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (95242).

2⁵⁴⁴²²⁰ is an apocalyptic number.

It is an amenable number.

544220 is an abundant number, since it is smaller than the sum of its proper divisors (598684).

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

544220 is a wasteful number, since it uses less digits than its factorization.

544220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27220 (or 27218 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 544220 is about 737.7126811978. The cubic root of 544220 is about 81.6441050175.

Adding to 544220 its reverse (22445), we get a palindrome (566665).

The spelling of 544220 in words is "five hundred forty-four thousand, two hundred twenty".