442242122 has 16 divisors (see below), whose sum is σ = 763586880. Its totient is φ = 188167968.

The previous prime is 442242077. The next prime is 442242133. The reversal of 442242122 is 221242244.

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, 111683 + ... + 115574.

It is an arithmetic number, because the mean of its divisors is an integer number (47724180).

Almost surely, 2^442242122 is an apocalyptic number.

442242122 is a deficient number, since it is larger than the sum of its proper divisors (321344758).

442242122 is a wasteful number, since it uses less digits than its factorization.

442242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227405.

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

The square root of 442242122 is about 21029.5535378191. The cubic root of 442242122 is about 761.8802256385.

Adding to 442242122 its reverse (221242244), we get a palindrome (663484366).

The spelling of 442242122 in words is "four hundred forty-two million, two hundred forty-two thousand, one hundred twenty-two".