442303772 has 12 divisors (see below), whose sum is σ = 794951640. Its totient is φ = 215174736.

The previous prime is 442303759. The next prime is 442303787. The reversal of 442303772 is 277303244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494122 + ... + 1494417.

It is an arithmetic number, because the mean of its divisors is an integer number (66245970).

Almost surely, 2^442303772 is an apocalyptic number.

It is an amenable number.

442303772 is a deficient number, since it is larger than the sum of its proper divisors (352647868).

442303772 is a wasteful number, since it uses less digits than its factorization.

442303772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988580 (or 2988578 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 442303772 is about 21031.0192810525. The cubic root of 442303772 is about 761.9156268597.

The spelling of 442303772 in words is "four hundred forty-two million, three hundred three thousand, seven hundred seventy-two".