442201223201 has 4 divisors (see below), whose sum is σ = 443832962304. Its totient is φ = 440569484100.

The previous prime is 442201223173. The next prime is 442201223231. The reversal of 442201223201 is 102322102244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442201223201 - 2¹⁸ = 442200961057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442201223231) 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, 815869145 + ... + 815869686.

It is an arithmetic number, because the mean of its divisors is an integer number (110958240576).

Almost surely, 2^442201223201 is an apocalyptic number.

It is an amenable number.

442201223201 is a deficient number, since it is larger than the sum of its proper divisors (1631739103).

442201223201 is a wasteful number, since it uses less digits than its factorization.

442201223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631739102.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 442201223201 its reverse (102322102244), we get a palindrome (544523325445).

The spelling of 442201223201 in words is "four hundred forty-two billion, two hundred one million, two hundred twenty-three thousand, two hundred one".