442194825 has 12 divisors (see below), whose sum is σ = 731095568. Its totient is φ = 235837200.

The previous prime is 442194817. The next prime is 442194827. The reversal of 442194825 is 528491244.

It is not a de Polignac number, because 442194825 - 2³ = 442194817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442194827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2947891 + ... + 2948040.

Almost surely, 2^442194825 is an apocalyptic number.

It is an amenable number.

442194825 is a deficient number, since it is larger than the sum of its proper divisors (288900743).

442194825 is a wasteful number, since it uses less digits than its factorization.

442194825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895944 (or 5895939 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 442194825 is about 21028.4289712760. The cubic root of 442194825 is about 761.8530640967.

The spelling of 442194825 in words is "four hundred forty-two million, one hundred ninety-four thousand, eight hundred twenty-five".