443207242 has 8 divisors (see below), whose sum is σ = 664902756. Its totient is φ = 221572992.

The previous prime is 443207239. The next prime is 443207299. The reversal of 443207242 is 242702344.

It can be written as a sum of positive squares in 2 ways, for example, as 441882441 + 1324801 = 21021^2 + 1151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×443207242² = 392865318722493128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 443207242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13978 + ... + 32890.

Almost surely, 2^443207242 is an apocalyptic number.

443207242 is a deficient number, since it is larger than the sum of its proper divisors (221695514).

443207242 is a wasteful number, since it uses less digits than its factorization.

443207242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30632.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 443207242 is about 21052.4877864826. The cubic root of 443207242 is about 762.4340486539.

Adding to 443207242 its reverse (242702344), we get a palindrome (685909586).

The spelling of 443207242 in words is "four hundred forty-three million, two hundred seven thousand, two hundred forty-two".