442022404400131 has 4 divisors (see below), whose sum is σ = 442022476149072. Its totient is φ = 442022332651192.

The previous prime is 442022404400081. The next prime is 442022404400141. The reversal of 442022404400131 is 131004404220244.

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 442022404400131 - 2⁹ = 442022404399619 is a prime.

It is a super-2 number, since 2×442022404400131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442022404400093 and 442022404400102.

It is not an unprimeable number, because it can be changed into a prime (442022404400141) 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, 25664935 + ... + 39277648.

It is an arithmetic number, because the mean of its divisors is an integer number (110505619037268).

Almost surely, 2^{442022404400131} is an apocalyptic number.

442022404400131 is a deficient number, since it is larger than the sum of its proper divisors (71748941).

442022404400131 is an equidigital number, since it uses as much as digits as its factorization.

442022404400131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71748940.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 442022404400131 its reverse (131004404220244), we get a palindrome (573026808620375).

The spelling of 442022404400131 in words is "four hundred forty-two trillion, twenty-two billion, four hundred four million, four hundred thousand, one hundred thirty-one".