442426067 has 2 divisors, whose sum is σ = 442426068. Its totient is φ = 442426066.

The previous prime is 442426051. The next prime is 442426081. The reversal of 442426067 is 760624244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442426067 - 2⁴ = 442426051 is a prime.

It is a super-2 number, since 2×442426067² = 391481649522176978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442426027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221213033 + 221213034.

It is an arithmetic number, because the mean of its divisors is an integer number (221213034).

Almost surely, 2^442426067 is an apocalyptic number.

442426067 is a deficient number, since it is larger than the sum of its proper divisors (1).

442426067 is an equidigital number, since it uses as much as digits as its factorization.

442426067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 442426067 is about 21033.9265711374. The cubic root of 442426067 is about 761.9858424679.

The spelling of 442426067 in words is "four hundred forty-two million, four hundred twenty-six thousand, sixty-seven".