442204304331 has 16 divisors (see below), whose sum is σ = 600092035200. Its totient is φ = 289567938048.

The previous prime is 442204304309. The next prime is 442204304357. The reversal of 442204304331 is 133403402244.

It is a happy number.

It is not a de Polignac number, because 442204304331 - 2¹¹ = 442204302283 is a prime.

It is a super-2 number, since 2×442204304331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442204308331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811021 + ... + 1241838.

It is an arithmetic number, because the mean of its divisors is an integer number (37505752200).

Almost surely, 2^442204304331 is an apocalyptic number.

442204304331 is a deficient number, since it is larger than the sum of its proper divisors (157887730869).

442204304331 is a wasteful number, since it uses less digits than its factorization.

442204304331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054138.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 442204304331 its reverse (133403402244), we get a palindrome (575607706575).

The spelling of 442204304331 in words is "four hundred forty-two billion, two hundred four million, three hundred four thousand, three hundred thirty-one".