442302032 has 20 divisors (see below), whose sum is σ = 857894496. Its totient is φ = 220909920.

The previous prime is 442301989. The next prime is 442302037. The reversal of 442302032 is 230203244.

It is a super-2 number, since 2×442302032² = 391262175022658048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442301995 and 442302013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442302037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557 + ... + 29747.

Almost surely, 2^442302032 is an apocalyptic number.

It is an amenable number.

442302032 is a deficient number, since it is larger than the sum of its proper divisors (415592464).

442302032 is a wasteful number, since it uses less digits than its factorization.

442302032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30146 (or 30140 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 442302032 is about 21030.9779135446. The cubic root of 442302032 is about 761.9146277463.

Adding to 442302032 its reverse (230203244), we get a palindrome (672505276).

The spelling of 442302032 in words is "four hundred forty-two million, three hundred two thousand, thirty-two".