442245106 has 32 divisors (see below), whose sum is σ = 722720880. Its totient is φ = 202137600.

The previous prime is 442245077. The next prime is 442245109. The reversal of 442245106 is 601542244.

It can be written as a sum of positive squares in 8 ways, for example, as 100180081 + 342065025 = 10009^2 + 18495^2 .

It is not an unprimeable number, because it can be changed into a prime (442245109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391150 + ... + 392278.

Almost surely, 2^442245106 is an apocalyptic number.

442245106 is a deficient number, since it is larger than the sum of its proper divisors (280475774).

442245106 is a wasteful number, since it uses less digits than its factorization.

442245106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 442245106 is about 21029.6244854729. The cubic root of 442245106 is about 761.8819392138.

The spelling of 442245106 in words is "four hundred forty-two million, two hundred forty-five thousand, one hundred six".