442068203 has 2 divisors, whose sum is σ = 442068204. Its totient is φ = 442068202.

The previous prime is 442068173. The next prime is 442068227. The reversal of 442068203 is 302860244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442068203 - 2¹⁶ = 442002667 is a prime.

It is a super-2 number, since 2×442068203² = 390848592207298418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442068293) 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, 221034101 + 221034102.

It is an arithmetic number, because the mean of its divisors is an integer number (221034102).

Almost surely, 2^442068203 is an apocalyptic number.

442068203 is a deficient number, since it is larger than the sum of its proper divisors (1).

442068203 is an equidigital number, since it uses as much as digits as its factorization.

442068203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 442068203 is about 21025.4180220037. The cubic root of 442068203 is about 761.7803385600.

The spelling of 442068203 in words is "four hundred forty-two million, sixty-eight thousand, two hundred three".