4202444242 has 4 divisors (see below), whose sum is σ = 6303666366. Its totient is φ = 2101222120.

The previous prime is 4202444221. The next prime is 4202444249. The reversal of 4202444242 is 2424442024.

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., 4163991841 + 38452401 = 64529^2 + 6201^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4202444242.

It is not an unprimeable number, because it can be changed into a prime (4202444249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611059 + ... + 1050611062.

Almost surely, 2^4202444242 is an apocalyptic number.

4202444242 is a deficient number, since it is larger than the sum of its proper divisors (2101222124).

4202444242 is a wasteful number, since it uses less digits than its factorization.

4202444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101222123.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4202444242 is about 64826.2619776893. The cubic root of 4202444242 is about 1613.7415702545.

Adding to 4202444242 its reverse (2424442024), we get a palindrome (6626886266).

The spelling of 4202444242 in words is "four billion, two hundred two million, four hundred forty-four thousand, two hundred forty-two".