442330333 has 2 divisors, whose sum is σ = 442330334. Its totient is φ = 442330332.

The previous prime is 442330321. The next prime is 442330349. The reversal of 442330333 is 333033244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284023609 + 158306724 = 16853^2 + 12582^2 .

It is a cyclic number.

It is not a de Polignac number, because 442330333 - 2⁹ = 442329821 is a prime.

It is a super-2 number, since 2×442330333² = 391312246983781778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442330298 and 442330307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442330303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221165166 + 221165167.

It is an arithmetic number, because the mean of its divisors is an integer number (221165167).

Almost surely, 2^442330333 is an apocalyptic number.

It is an amenable number.

442330333 is a deficient number, since it is larger than the sum of its proper divisors (1).

442330333 is an equidigital number, since it uses as much as digits as its factorization.

442330333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 25.

The square root of 442330333 is about 21031.6507435817. The cubic root of 442330333 is about 761.9308779437.

Adding to 442330333 its reverse (333033244), we get a palindrome (775363577).

The spelling of 442330333 in words is "four hundred forty-two million, three hundred thirty thousand, three hundred thirty-three".