2242444 has 12 divisors (see below), whose sum is σ = 3969000. Its totient is φ = 1108448.

The previous prime is 2242441. The next prime is 2242469. The reversal of 2242444 is 4442422.

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

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2242441) 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, 2794 + ... + 3505.

It is an arithmetic number, because the mean of its divisors is an integer number (330750).

2^2242444 is an apocalyptic number.

It is an amenable number.

2242444 is a deficient number, since it is larger than the sum of its proper divisors (1726556).

2242444 is a wasteful number, since it uses less digits than its factorization.

2242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6390 counting only the distinct ones).

The product of its digits is 2048, while the sum is 22.

The square root of 2242444 is about 1497.4792152147. The cubic root of 2242444 is about 130.8902213379.

Subtracting from 2242444 its sum of digits (22), we obtain a palindrome (2242422).

Adding to 2242444 its reverse (4442422), we get a palindrome (6684866).

The spelling of 2242444 in words is "two million, two hundred forty-two thousand, four hundred forty-four".