4024442 has 4 divisors (see below), whose sum is σ = 6036666. Its totient is φ = 2012220.

The previous prime is 4024429. The next prime is 4024487. The reversal of 4024442 is 2444204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3066001 + 958441 = 1751^2 + 979^2 .

It is a super-2 number, since 2×4024442² = 32392266822728, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006109 + ... + 1006112.

Almost surely, 2^4024442 is an apocalyptic number.

4024442 is a deficient number, since it is larger than the sum of its proper divisors (2012224).

4024442 is a wasteful number, since it uses less digits than its factorization.

4024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012223.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4024442 is about 2006.1011938584. The cubic root of 4024442 is about 159.0627759975.

Adding to 4024442 its reverse (2444204), we get a palindrome (6468646).

The spelling of 4024442 in words is "four million, twenty-four thousand, four hundred forty-two".