442294811 has 4 divisors (see below), whose sum is σ = 505479792. Its totient is φ = 379109832.

The previous prime is 442294789. The next prime is 442294817. The reversal of 442294811 is 118492244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442294811 - 2²⁶ = 375185947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442294817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31592480 + ... + 31592493.

It is an arithmetic number, because the mean of its divisors is an integer number (126369948).

Almost surely, 2^442294811 is an apocalyptic number.

442294811 is a deficient number, since it is larger than the sum of its proper divisors (63184981).

442294811 is an equidigital number, since it uses as much as digits as its factorization.

442294811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63184980.

The product of its digits is 18432, while the sum is 35.

The square root of 442294811 is about 21030.8062375174. The cubic root of 442294811 is about 761.9104813975.

The spelling of 442294811 in words is "four hundred forty-two million, two hundred ninety-four thousand, eight hundred eleven".