442212803 has 2 divisors, whose sum is σ = 442212804. Its totient is φ = 442212802.

The previous prime is 442212773. The next prime is 442212833. The reversal of 442212803 is 308212244.

It is a balanced prime because it is at equal distance from previous prime (442212773) and next prime (442212833).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442212803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (442212833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221106401 + 221106402.

It is an arithmetic number, because the mean of its divisors is an integer number (221106402).

Almost surely, 2^442212803 is an apocalyptic number.

442212803 is a deficient number, since it is larger than the sum of its proper divisors (1).

442212803 is an equidigital number, since it uses as much as digits as its factorization.

442212803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 442212803 is about 21028.8564358597. The cubic root of 442212803 is about 761.8633886625.

The spelling of 442212803 in words is "four hundred forty-two million, two hundred twelve thousand, eight hundred three".