4442242 has 12 divisors (see below), whose sum is σ = 7751430. Its totient is φ = 1903776.

The previous prime is 4442233. The next prime is 4442261. The reversal of 4442242 is 2422444.

It can be written as a sum of positive squares in only one way, i.e., 3651921 + 790321 = 1911^2 + 889^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22567 + ... + 22762.

Almost surely, 2^4442242 is an apocalyptic number.

4442242 is a deficient number, since it is larger than the sum of its proper divisors (3309188).

4442242 is a wasteful number, since it uses less digits than its factorization.

4442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45345 (or 45338 counting only the distinct ones).

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

The square root of 4442242 is about 2107.6626864847. The cubic root of 4442242 is about 164.3869753259.

Adding to 4442242 its reverse (2422444), we get a palindrome (6864686).

The spelling of 4442242 in words is "four million, four hundred forty-two thousand, two hundred forty-two".