4144442 has 8 divisors (see below), whose sum is σ = 6244500. Its totient is φ = 2062944.

The previous prime is 4144423. The next prime is 4144457. The reversal of 4144442 is 2444414.

It can be written as a sum of positive squares in 2 ways, for example, as 3389281 + 755161 = 1841^2 + 869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4067 + ... + 4982.

Almost surely, 2^4144442 is an apocalyptic number.

4144442 is a deficient number, since it is larger than the sum of its proper divisors (2100058).

4144442 is a wasteful number, since it uses less digits than its factorization.

4144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280.

The product of its digits is 2048, while the sum is 23.

The square root of 4144442 is about 2035.7902642463. The cubic root of 4144442 is about 160.6282848425.

Adding to 4144442 its reverse (2444414), we get a palindrome (6588856).

The spelling of 4144442 in words is "four million, one hundred forty-four thousand, four hundred forty-two".