442202201401 has 2 divisors, whose sum is σ = 442202201402. Its totient is φ = 442202201400.

The previous prime is 442202201381. The next prime is 442202201423. The reversal of 442202201401 is 104102202244.

It is an a-pointer prime, because the next prime (442202201423) can be obtained adding 442202201401 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372220789801 + 69981411600 = 610099^2 + 264540^2 .

It is a cyclic number.

It is not a de Polignac number, because 442202201401 - 2⁵ = 442202201369 is a prime.

It is not a weakly prime, because it can be changed into another prime (442202201431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221101100700 + 221101100701.

It is an arithmetic number, because the mean of its divisors is an integer number (221101100701).

Almost surely, 2^442202201401 is an apocalyptic number.

It is an amenable number.

442202201401 is a deficient number, since it is larger than the sum of its proper divisors (1).

442202201401 is an equidigital number, since it uses as much as digits as its factorization.

442202201401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 442202201401 its reverse (104102202244), we get a palindrome (546304403645).

The spelling of 442202201401 in words is "four hundred forty-two billion, two hundred two million, two hundred one thousand, four hundred one".