2544228 has 36 divisors (see below), whose sum is σ = 6655740. Its totient is φ = 818496.

The previous prime is 2544221. The next prime is 2544229. The reversal of 2544228 is 8224452.

It is a happy number.

2544228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1954404 + 589824 = 1398^2 + 768^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2544228² = 12946192231968, which contains 22 as substring.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175 + ... + 2262.

2^2544228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2544228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3327870).

2544228 is an abundant number, since it is smaller than the sum of its proper divisors (4111512).

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

2544228 is a wasteful number, since it uses less digits than its factorization.

2544228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476 (or 2471 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 2544228 is about 1595.0636350942. The cubic root of 2544228 is about 136.5165620125.

It can be divided in two parts, 2544 and 228, that added together give a palindrome (2772).

The spelling of 2544228 in words is "two million, five hundred forty-four thousand, two hundred twenty-eight".