2242144 has 12 divisors (see below), whose sum is σ = 4414284. Its totient is φ = 1121056.

The previous prime is 2242129. The next prime is 2242157. The reversal of 2242144 is 4412422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35002 + ... + 35065.

It is an arithmetic number, because the mean of its divisors is an integer number (367857).

2^2242144 is an apocalyptic number.

It is an amenable number.

2242144 is a deficient number, since it is larger than the sum of its proper divisors (2172140).

2242144 is an equidigital number, since it uses as much as digits as its factorization.

2242144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70077 (or 70069 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 2242144 is about 1497.3790435291. The cubic root of 2242144 is about 130.8843841327.

Adding to 2242144 its reverse (4412422), we get a palindrome (6654566).

The spelling of 2242144 in words is "two million, two hundred forty-two thousand, one hundred forty-four".