442197914 has 16 divisors (see below), whose sum is σ = 707448168. Its totient is φ = 206572032.

The previous prime is 442197911. The next prime is 442197929. The reversal of 442197914 is 419791244.

It can be written as a sum of positive squares in 4 ways, for example, as 439531225 + 2666689 = 20965^2 + 1633^2 .

It is not an unprimeable number, because it can be changed into a prime (442197911) 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 7 ways as a sum of consecutive naturals, for example, 42809 + ... + 52124.

Almost surely, 2^442197914 is an apocalyptic number.

442197914 is a deficient number, since it is larger than the sum of its proper divisors (265250254).

442197914 is a wasteful number, since it uses less digits than its factorization.

442197914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95089.

The product of its digits is 72576, while the sum is 41.

The square root of 442197914 is about 21028.5024193355. The cubic root of 442197914 is about 761.8548380950.

The spelling of 442197914 in words is "four hundred forty-two million, one hundred ninety-seven thousand, nine hundred fourteen".