442111301 has 2 divisors, whose sum is σ = 442111302. Its totient is φ = 442111300.

The previous prime is 442111279. The next prime is 442111339. The reversal of 442111301 is 103111244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384199201 + 57912100 = 19601^2 + 7610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442111301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442111301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442111381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221055650 + 221055651.

It is an arithmetic number, because the mean of its divisors is an integer number (221055651).

Almost surely, 2^442111301 is an apocalyptic number.

It is an amenable number.

442111301 is a deficient number, since it is larger than the sum of its proper divisors (1).

442111301 is an equidigital number, since it uses as much as digits as its factorization.

442111301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 442111301 is about 21026.4428993589. The cubic root of 442111301 is about 761.8050935201.

Adding to 442111301 its reverse (103111244), we get a palindrome (545222545).

The spelling of 442111301 in words is "four hundred forty-two million, one hundred eleven thousand, three hundred one".