2544222 has 8 divisors (see below), whose sum is σ = 5088456. Its totient is φ = 848072.

The previous prime is 2544221. The next prime is 2544229. The reversal of 2544222 is 2224452.

It is a sphenic number, since it is the product of 3 distinct primes.

2544222 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 212013 + ... + 212024.

It is an arithmetic number, because the mean of its divisors is an integer number (636057).

2^2544222 is an apocalyptic number.

2544222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2544222 is a wasteful number, since it uses less digits than its factorization.

2544222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424042.

The product of its digits is 1280, while the sum is 21.

The square root of 2544222 is about 1595.0617542904. The cubic root of 2544222 is about 136.5164546976.

Adding to 2544222 its reverse (2224452), we get a palindrome (4768674).

The spelling of 2544222 in words is "two million, five hundred forty-four thousand, two hundred twenty-two".