442230736 has 20 divisors (see below), whose sum is σ = 862083712. Its totient is φ = 219757536.

The previous prime is 442230709. The next prime is 442230739. The reversal of 442230736 is 637032244.

It is a junction number, because it is equal to n+sod(n) for n = 442230698 and 442230707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442230739) 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 in 3 ways as a sum of consecutive naturals, for example, 82176 + ... + 87391.

Almost surely, 2^442230736 is an apocalyptic number.

It is an amenable number.

442230736 is a deficient number, since it is larger than the sum of its proper divisors (419852976).

442230736 is a wasteful number, since it uses less digits than its factorization.

442230736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169738 (or 169732 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 442230736 is about 21029.2828218178. The cubic root of 442230736 is about 761.8736871066.

The spelling of 442230736 in words is "four hundred forty-two million, two hundred thirty thousand, seven hundred thirty-six".