4221142442 has 16 divisors (see below), whose sum is σ = 7010420832. Its totient is φ = 1890063120.

The previous prime is 4221142417. The next prime is 4221142469. The reversal of 4221142442 is 2442411224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430393 + ... + 1433340.

It is an arithmetic number, because the mean of its divisors is an integer number (438151302).

Almost surely, 2^4221142442 is an apocalyptic number.

4221142442 is a deficient number, since it is larger than the sum of its proper divisors (2789278390).

4221142442 is a wasteful number, since it uses less digits than its factorization.

4221142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863813.

The product of its digits is 4096, while the sum is 26.

The square root of 4221142442 is about 64970.3197006141. The cubic root of 4221142442 is about 1616.1314033612.

Adding to 4221142442 its reverse (2442411224), we get a palindrome (6663553666).

The spelling of 4221142442 in words is "four billion, two hundred twenty-one million, one hundred forty-two thousand, four hundred forty-two".