442241201 has 4 divisors (see below), whose sum is σ = 442308132. Its totient is φ = 442174272.

The previous prime is 442241161. The next prime is 442241243. The reversal of 442241201 is 102142244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123654400 + 318586801 = 11120^2 + 17849^2 .

It is a cyclic number.

It is not a de Polignac number, because 442241201 - 2¹⁰ = 442240177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442241251) 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, 22316 + ... + 37181.

It is an arithmetic number, because the mean of its divisors is an integer number (110577033).

Almost surely, 2^442241201 is an apocalyptic number.

It is an amenable number.

442241201 is a deficient number, since it is larger than the sum of its proper divisors (66931).

442241201 is an equidigital number, since it uses as much as digits as its factorization.

442241201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66930.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442241201 is about 21029.5316400532. The cubic root of 442241201 is about 761.8796967486.

Adding to 442241201 its reverse (102142244), we get a palindrome (544383445).

The spelling of 442241201 in words is "four hundred forty-two million, two hundred forty-one thousand, two hundred one".