442465211 has 4 divisors (see below), whose sum is σ = 443243400. Its totient is φ = 441687024.

The previous prime is 442465181. The next prime is 442465213. The reversal of 442465211 is 112564244.

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 442465211 - 2¹⁸ = 442203067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442465213) 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, 388241 + ... + 389378.

It is an arithmetic number, because the mean of its divisors is an integer number (110810850).

Almost surely, 2^442465211 is an apocalyptic number.

442465211 is a deficient number, since it is larger than the sum of its proper divisors (778189).

442465211 is an equidigital number, since it uses as much as digits as its factorization.

442465211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778188.

The product of its digits is 7680, while the sum is 29.

The square root of 442465211 is about 21034.8570472918. The cubic root of 442465211 is about 762.0083142407.

The spelling of 442465211 in words is "four hundred forty-two million, four hundred sixty-five thousand, two hundred eleven".