442203373 has 2 divisors, whose sum is σ = 442203374. Its totient is φ = 442203372.

The previous prime is 442203367. The next prime is 442203431. The reversal of 442203373 is 373302244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442134729 + 68644 = 21027^2 + 262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442203373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442203173) 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, 221101686 + 221101687.

It is an arithmetic number, because the mean of its divisors is an integer number (221101687).

Almost surely, 2^442203373 is an apocalyptic number.

It is an amenable number.

442203373 is a deficient number, since it is larger than the sum of its proper divisors (1).

442203373 is an equidigital number, since it uses as much as digits as its factorization.

442203373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 442203373 is about 21028.6322189533. The cubic root of 442203373 is about 761.8579731531.

The spelling of 442203373 in words is "four hundred forty-two million, two hundred three thousand, three hundred seventy-three".