2122444 has 12 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 1058000.

The previous prime is 2122441. The next prime is 2122451. The reversal of 2122444 is 4442212.

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

It is not an unprimeable number, because it can be changed into a prime (2122441) 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, 1269 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

2^2122444 is an apocalyptic number.

It is an amenable number.

2122444 is a deficient number, since it is larger than the sum of its proper divisors (1603124).

2122444 is a wasteful number, since it uses less digits than its factorization.

2122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1614 counting only the distinct ones).

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

The square root of 2122444 is about 1456.8610091563. The cubic root of 2122444 is about 128.5125122186.

Adding to 2122444 its reverse (4442212), we get a palindrome (6564656).

The spelling of 2122444 in words is "two million, one hundred twenty-two thousand, four hundred forty-four".