442426333 has 2 divisors, whose sum is σ = 442426334. Its totient is φ = 442426332.

The previous prime is 442426331. The next prime is 442426357. The reversal of 442426333 is 333624244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337199769 + 105226564 = 18363^2 + 10258^2 .

It is a cyclic number.

It is not a de Polignac number, because 442426333 - 2¹ = 442426331 is a prime.

Together with 442426331, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 442426295 and 442426304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442426331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221213166 + 221213167.

It is an arithmetic number, because the mean of its divisors is an integer number (221213167).

Almost surely, 2^442426333 is an apocalyptic number.

It is an amenable number.

442426333 is a deficient number, since it is larger than the sum of its proper divisors (1).

442426333 is an equidigital number, since it uses as much as digits as its factorization.

442426333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 31.

The square root of 442426333 is about 21033.9328942545. The cubic root of 442426333 is about 761.9859951776.

The spelling of 442426333 in words is "four hundred forty-two million, four hundred twenty-six thousand, three hundred thirty-three".