2241144 has 48 divisors (see below), whose sum is σ = 6430320. Its totient is φ = 702720.

The previous prime is 2241139. The next prime is 2241163. The reversal of 2241144 is 4411422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (133965).

2^2241144 is an apocalyptic number.

2241144 is a gapful number since it is divisible by the number (24) 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 2241144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3215160).

2241144 is an abundant number, since it is smaller than the sum of its proper divisors (4189176).

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

2241144 is a wasteful number, since it uses less digits than its factorization.

2241144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1853 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 2241144 is about 1497.0450895013. The cubic root of 2241144 is about 130.8649230206.

Adding to 2241144 its reverse (4411422), we get a palindrome (6652566).

The spelling of 2241144 in words is "two million, two hundred forty-one thousand, one hundred forty-four".