2444444 has 6 divisors (see below), whose sum is σ = 4277784. Its totient is φ = 1222220.

The previous prime is 2444441. The next prime is 2444467. The reversal of 2444444 is 4444442.

It is a happy number.

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

2444444 is a modest number, since divided by 4444 gives 244 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305552 + ... + 305559.

It is an arithmetic number, because the mean of its divisors is an integer number (712964).

2^2444444 is an apocalyptic number.

It is an amenable number.

2444444 is a deficient number, since it is larger than the sum of its proper divisors (1833340).

2444444 is a wasteful number, since it uses less digits than its factorization.

2444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611115 (or 611113 counting only the distinct ones).

The product of its digits is 8192, while the sum is 26.

The square root of 2444444 is about 1563.4717778073. The cubic root of 2444444 is about 134.7079925233.

Adding to 2444444 its reverse (4444442), we get a palindrome (6888886).

It can be divided in two parts, 2 and 444444, that multiplied together give a palindrome (888888).

The spelling of 2444444 in words is "two million, four hundred forty-four thousand, four hundred forty-four".